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4142512400 = 2452131746861
BaseRepresentation
bin1111011011101001…
…1011100100010000
3101200200212102201012
43312322123210100
531440440344100
61523020230052
7204440526425
oct36672334420
911620772635
104142512400
111836381974
1297739b328
135102cb490
142b424dd4c
15193a26135
hexf6e9b910

4142512400 has 120 divisors (see below), whose sum is σ = 11348664264. Its totient is φ = 1439539200.

The previous prime is 4142512351. The next prime is 4142512403. The reversal of 4142512400 is 42152414.

It can be written as a sum of positive squares in 12 ways, for example, as 1472103424 + 2670408976 = 38368^2 + 51676^2 .

It is not an unprimeable number, because it can be changed into a prime (4142512403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64970 + ... + 111830.

Almost surely, 24142512400 is an apocalyptic number.

4142512400 is a gapful number since it is divisible by the number (40) 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 4142512400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5674332132).

4142512400 is an abundant number, since it is smaller than the sum of its proper divisors (7206151864).

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

4142512400 is a wasteful number, since it uses less digits than its factorization.

4142512400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46909 (or 46898 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 4142512400 is about 64362.3523498015. The cubic root of 4142512400 is about 1606.0335213717.

Adding to 4142512400 its reverse (42152414), we get a palindrome (4184664814).

The spelling of 4142512400 in words is "four billion, one hundred forty-two million, five hundred twelve thousand, four hundred".

Divisors: 1 2 4 5 8 10 13 16 17 20 25 26 34 40 50 52 65 68 80 85 100 104 130 136 170 200 208 221 260 272 325 340 400 425 442 520 650 680 850 884 1040 1105 1300 1360 1700 1768 2210 2600 3400 3536 4420 5200 5525 6800 8840 11050 17680 22100 44200 46861 88400 93722 187444 234305 374888 468610 609193 749776 796637 937220 1171525 1218386 1593274 1874440 2343050 2436772 3045965 3186548 3748880 3983185 4686100 4873544 6091930 6373096 7966370 9372200 9747088 10356281 12183860 12746192 15229825 15932740 18744400 19915925 20712562 24367720 30459650 31865480 39831850 41425124 48735440 51781405 60919300 63730960 79663700 82850248 103562810 121838600 159327400 165700496 207125620 243677200 258907025 318654800 414251240 517814050 828502480 1035628100 2071256200 4142512400