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9957275680 = 2551121126813
BaseRepresentation
bin10010100010111111…
…11111100000100000
3221200221101000101011
421101133333200200
5130343030310210
64324014550304
7501515306152
oct112137774040
927627330334
109957275680
11424a693660
121b1a808394
13c28bab901
146a6600ad2
153d426dd8a
hex2517ff820

9957275680 has 96 divisors (see below), whose sum is σ = 25785200448. Its totient is φ = 3603532800.

The previous prime is 9957275651. The next prime is 9957275689. The reversal of 9957275680 is 865727599.

9957275680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9957275689) 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 15 ways as a sum of consecutive naturals, for example, 357954 + ... + 384766.

It is an arithmetic number, because the mean of its divisors is an integer number (268595838).

Almost surely, 29957275680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9957275680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12892600224).

9957275680 is an abundant number, since it is smaller than the sum of its proper divisors (15827924768).

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

9957275680 is a wasteful number, since it uses less digits than its factorization.

9957275680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27050 (or 27042 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 58.

The square root of 9957275680 is about 99786.1497403322. The cubic root of 9957275680 is about 2151.3620847989.

The spelling of 9957275680 in words is "nine billion, nine hundred fifty-seven million, two hundred seventy-five thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 160 176 211 220 352 422 440 844 880 1055 1688 1760 2110 2321 3376 4220 4642 6752 8440 9284 11605 16880 18568 23210 26813 33760 37136 46420 53626 74272 92840 107252 134065 185680 214504 268130 294943 371360 429008 536260 589886 858016 1072520 1179772 1474715 2145040 2359544 2949430 4290080 4719088 5657543 5898860 9438176 11315086 11797720 22630172 23595440 28287715 45260344 47190880 56575430 62232973 90520688 113150860 124465946 181041376 226301720 248931892 311164865 452603440 497863784 622329730 905206880 995727568 1244659460 1991455136 2489318920 4978637840 9957275680