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90957080704509 = 3283749916237253
BaseRepresentation
bin10100101011100110011000…
…011111000011010111111101
3102221001102010100021120212200
4110223212120133003113331
543410220100130021014
6521241034522422113
725105301152316415
oct2453463037032775
9387042110246780
1090957080704509
1126a887548a2108
12a250112361939
133b9a2a6468426
1418664bbd63645
15a7b0081a9a09
hex52b9987c35fd

90957080704509 has 24 divisors (see below), whose sum is σ = 132983110260000. Its totient is φ = 59899482424032.

The previous prime is 90957080704489. The next prime is 90957080704571. The reversal of 90957080704509 is 90540708075909.

90957080704509 is a `hidden beast` number, since 9 + 0 + 9 + 57 + 0 + 8 + 0 + 70 + 4 + 509 = 666.

It is not a de Polignac number, because 90957080704509 - 27 = 90957080704381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90957080705509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2516874 + ... + 13720379.

It is an arithmetic number, because the mean of its divisors is an integer number (5540962927500).

Almost surely, 290957080704509 is an apocalyptic number.

It is an amenable number.

90957080704509 is a deficient number, since it is larger than the sum of its proper divisors (42026029555491).

90957080704509 is a wasteful number, since it uses less digits than its factorization.

90957080704509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16244841 (or 16244838 counting only the distinct ones).

The product of its (nonzero) digits is 28576800, while the sum is 63.

The spelling of 90957080704509 in words is "ninety trillion, nine hundred fifty-seven billion, eighty million, seven hundred four thousand, five hundred nine".

Divisors: 1 3 9 83 249 747 7499 22497 67491 622417 1867251 5601753 16237253 48711759 146135277 1347691999 4043075997 12129227991 121763160247 365289480741 1095868442223 10106342300501 30319026901503 90957080704509