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10831872672 = 2532471276301
BaseRepresentation
bin10100001011010000…
…10100001010100000
31000221220002010220100
422011220110022200
5134140424411142
64550500342400
7532265253465
oct120550241240
930856063810
1010831872672
114659345295
1221236a4a00
13103814c81a
1474a82766c
15435e2db4c
hex285a142a0

10831872672 has 144 divisors (see below), whose sum is σ = 31711260672. Its totient is φ = 3505420800.

The previous prime is 10831872661. The next prime is 10831872673. The reversal of 10831872672 is 27627813801.

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 (10831872673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1715922 + ... + 1722222.

It is an arithmetic number, because the mean of its divisors is an integer number (220217088).

Almost surely, 210831872672 is an apocalyptic number.

10831872672 is a gapful number since it is divisible by the number (12) 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 10831872672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15855630336).

10831872672 is an abundant number, since it is smaller than the sum of its proper divisors (20879388000).

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

10831872672 is a wasteful number, since it uses less digits than its factorization.

10831872672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6491 (or 6480 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 10831872672 in words is "ten billion, eight hundred thirty-one million, eight hundred seventy-two thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 47 48 72 94 96 127 141 144 188 254 282 288 376 381 423 508 564 752 762 846 1016 1128 1143 1504 1524 1692 2032 2256 2286 3048 3384 4064 4512 4572 5969 6096 6301 6768 9144 11938 12192 12602 13536 17907 18288 18903 23876 25204 35814 36576 37806 47752 50408 53721 56709 71628 75612 95504 100816 107442 113418 143256 151224 191008 201632 214884 226836 286512 296147 302448 429768 453672 573024 592294 604896 800227 859536 888441 907344 1184588 1600454 1719072 1776882 1814688 2369176 2400681 2665323 3200908 3553764 4738352 4801362 5330646 6401816 7107528 7202043 9476704 9602724 10661292 12803632 14215056 14404086 19205448 21322584 25607264 28430112 28808172 37610669 38410896 42645168 57616344 75221338 76821792 85290336 112832007 115232688 150442676 225664014 230465376 300885352 338496021 451328028 601770704 676992042 902656056 1203541408 1353984084 1805312112 2707968168 3610624224 5415936336 10831872672