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4242285907488 = 253289685724137
BaseRepresentation
bin111101101110111011111…
…100011100111000100000
3120000120002012101001111100
4331232323330130320200
51024001200143014423
613004513525514400
7615331541146206
oct75567374347040
916016065331440
104242285907488
111396163886a52
12586224b72a00
1324a079949a35
1410948342d076
1575541952343
hex3dbbbf1ce20

4242285907488 has 144 divisors (see below), whose sum is σ = 12201835758840. Its totient is φ = 1397944762368.

The previous prime is 4242285907481. The next prime is 4242285907513. The reversal of 4242285907488 is 8847095822424.

4242285907488 is a `hidden beast` number, since 4 + 2 + 42 + 28 + 5 + 90 + 7 + 488 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2046353138064 + 2195932769424 = 1430508^2 + 1481868^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (4242285907481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175746556 + ... + 175770692.

Almost surely, 24242285907488 is an apocalyptic number.

4242285907488 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4242285907488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6100917879420).

4242285907488 is an abundant number, since it is smaller than the sum of its proper divisors (7959549851352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4242285907488 is a wasteful number, since it uses less digits than its factorization.

4242285907488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31099 (or 31088 counting only the distinct ones).

The product of its (nonzero) digits is 82575360, while the sum is 63.

The spelling of 4242285907488 in words is "four trillion, two hundred forty-two billion, two hundred eighty-five million, nine hundred seven thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 89 96 144 178 267 288 356 534 712 801 1068 1424 1602 2136 2848 3204 4272 6408 6857 8544 12816 13714 20571 24137 25632 27428 41142 48274 54856 61713 72411 82284 96548 109712 123426 144822 164568 193096 217233 219424 246852 289644 329136 386192 434466 493704 579288 610273 658272 772384 868932 987408 1158576 1220546 1737864 1830819 1974816 2148193 2317152 2441092 3475728 3661638 4296386 4882184 5492457 6444579 6951456 7323276 8592772 9764368 10984914 12889158 14646552 17185544 19333737 19528736 21969828 25778316 29293104 34371088 38667474 43939656 51556632 58586208 68742176 77334948 87879312 103113264 154669896 165507409 175758624 206226528 309339792 331014818 496522227 618679584 662029636 993044454 1324059272 1489566681 1986088908 2648118544 2979133362 3972177816 5296237088 5958266724 7944355632 11916533448 14730159401 15888711264 23833066896 29460318802 44190478203 47666133792 58920637604 88380956406 117841275208 132571434609 176761912812 235682550416 265142869218 353523825624 471365100832 530285738436 707047651248 1060571476872 1414095302496 2121142953744 4242285907488