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99976607641 = 29436179127131
BaseRepresentation
bin101110100011100010…
…0011111011110011001
3100120001112121212222001
41131013010133132121
53114223002421031
6113532325401001
710136341100131
oct1350704373631
9316045555861
1099976607641
1139444209079
1217461b69161
139573a0c201
144ba5cd1ac1
152902168861
hex174711f799

99976607641 has 64 divisors (see below), whose sum is σ = 110621491200. Its totient is φ = 90150278400.

The previous prime is 99976607639. The next prime is 99976607651. The reversal of 99976607641 is 14670667999.

It is a 3-Lehmer number, since φ(99976607641) divides (99976607641-1)3.

It is a cyclic number.

It is a Carmichael number.

It is not a de Polignac number, because 99976607641 - 21 = 99976607639 is a prime.

It is a deceptive number, since it divides R99976607640.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99976607651) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 763180146 + ... + 763180276.

It is an arithmetic number, because the mean of its divisors is an integer number (1728460800).

It is a Poulet number, since it divides 299976607640-1.

Almost surely, 299976607641 is an apocalyptic number.

It is an amenable number.

99976607641 is a deficient number, since it is larger than the sum of its proper divisors (10644883559).

99976607641 is a wasteful number, since it uses less digits than its factorization.

99976607641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470.

The product of its (nonzero) digits is 30862944, while the sum is 64.

The spelling of 99976607641 in words is "ninety-nine billion, nine hundred seventy-six million, six hundred seven thousand, six hundred forty-one".

Divisors: 1 29 43 61 79 127 131 1247 1769 2291 2623 3397 3683 3799 4819 5461 5633 7747 7991 10033 10349 16637 76067 98513 139751 158369 163357 207217 224663 231739 290957 300121 333121 343613 431419 445007 482473 612013 631289 715391 1014857 1314323 6009293 9660509 9964777 12511151 12905203 17748377 18307381 20746339 26316559 27145427 29430853 38115367 43638851 56515889 80173703 763180211 787217383 1265526679 1638960781 2325037387 3447469229 99976607641