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20167159092 = 223172319921599
BaseRepresentation
bin10010110010000011…
…100110110100110100
31221001111001211102020
4102302003212310310
5312300243042332
613133100113140
71312522011123
oct226203466464
957044054366
1020167159092
118609921133
123aa9b357b0
131b95203b42
14d94599aba
157d078982c
hex4b20e6d34

20167159092 has 96 divisors (see below), whose sum is σ = 52254720000. Its totient is φ = 6021176832.

The previous prime is 20167159087. The next prime is 20167159099. The reversal of 20167159092 is 29095176102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20167159099) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 922909 + ... + 944507.

It is an arithmetic number, because the mean of its divisors is an integer number (544320000).

Almost surely, 220167159092 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 20167159092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26127360000).

20167159092 is an abundant number, since it is smaller than the sum of its proper divisors (32087560908).

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

20167159092 is a wasteful number, since it uses less digits than its factorization.

20167159092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21845 (or 21843 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 42.

The spelling of 20167159092 in words is "twenty billion, one hundred sixty-seven million, one hundred fifty-nine thousand, ninety-two".

Divisors: 1 2 3 4 6 12 17 23 34 46 51 68 69 92 102 138 199 204 276 391 398 597 782 796 1173 1194 1564 2346 2388 3383 4577 4692 6766 9154 10149 13532 13731 18308 20298 21599 27462 40596 43198 54924 64797 77809 86396 129594 155618 233427 259188 311236 367183 466854 496777 734366 933708 993554 1101549 1468732 1490331 1987108 2203098 2980662 4298201 4406196 5961324 8445209 8596402 12894603 16890418 17192804 25335627 25789206 33780836 50671254 51578412 73069417 98858623 101342508 146138834 197717246 219208251 292277668 296575869 395434492 438416502 593151738 876833004 1186303476 1680596591 3361193182 5041789773 6722386364 10083579546 20167159092