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4672855680 = 27353178509
BaseRepresentation
bin1000101101000011…
…00001111010000000
3110001122210122220220
410112201201322000
534032222340210
62051403303040
7223540421643
oct42641417200
913048718826
104672855680
111a887836a9
12aa4b1aa80
1359614887c
14324863a5a
151c5384c70
hex116861e80

4672855680 has 128 divisors (see below), whose sum is σ = 15375398400. Its totient is φ = 1205882880.

The previous prime is 4672855673. The next prime is 4672855703. The reversal of 4672855680 is 865582764.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×46728556802 = 43671160412216524800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20266 + ... + 98774.

It is an arithmetic number, because the mean of its divisors is an integer number (120120300).

Almost surely, 24672855680 is an apocalyptic number.

4672855680 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 4672855680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7687699200).

4672855680 is an abundant number, since it is smaller than the sum of its proper divisors (10702542720).

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

4672855680 is a wasteful number, since it uses less digits than its factorization.

4672855680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78562 (or 78550 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 51.

The square root of 4672855680 is about 68358.2890365170. The cubic root of 4672855680 is about 1671.8377321672.

The spelling of 4672855680 in words is "four billion, six hundred seventy-two million, eight hundred fifty-five thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 32 40 48 60 62 64 80 93 96 120 124 128 155 160 186 192 240 248 310 320 372 384 465 480 496 620 640 744 930 960 992 1240 1488 1860 1920 1984 2480 2976 3720 3968 4960 5952 7440 9920 11904 14880 19840 29760 59520 78509 157018 235527 314036 392545 471054 628072 785090 942108 1177635 1256144 1570180 1884216 2355270 2433779 2512288 3140360 3768432 4710540 4867558 5024576 6280720 7301337 7536864 9421080 9735116 10049152 12168895 12561440 14602674 15073728 18842160 19470232 24337790 25122880 29205348 30147456 36506685 37684320 38940464 48675580 50245760 58410696 73013370 75368640 77880928 97351160 116821392 146026740 150737280 155761856 194702320 233642784 292053480 311523712 389404640 467285568 584106960 778809280 934571136 1168213920 1557618560 2336427840 4672855680