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21192914160236 = 22713293198710893
BaseRepresentation
bin1001101000110010111000…
…00111101100101001101100
32210001000121121220122211102
410310121130013230221230
510234211042011111421
6113023520152342232
74315065112050650
oct464313407545154
983030547818742
1021192914160236
1168309565aa905
1224633b40a4978
13ba963886c340
14533a57682a60
1526b42294d60b
hex13465c1eca6c

21192914160236 has 48 divisors (see below), whose sum is σ = 45802066223424. Its totient is φ = 8355395586816.

The previous prime is 21192914160167. The next prime is 21192914160241. The reversal of 21192914160236 is 63206141929112.

It is a super-2 number, since 2×211929141602362 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99248795 + ... + 99462098.

It is an arithmetic number, because the mean of its divisors is an integer number (954209712988).

Almost surely, 221192914160236 is an apocalyptic number.

21192914160236 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

21192914160236 is an abundant number, since it is smaller than the sum of its proper divisors (24609152063188).

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

21192914160236 is a wasteful number, since it uses less digits than its factorization.

21192914160236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198711210 (or 198711208 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 47.

The spelling of 21192914160236 in words is "twenty-one trillion, one hundred ninety-two billion, nine hundred fourteen million, one hundred sixty thousand, two hundred thirty-six".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 293 364 586 1172 2051 3809 4102 7618 8204 15236 26663 53326 106652 198710893 397421786 794843572 1390976251 2583241609 2781952502 5166483218 5563905004 10332966436 18082691263 36165382526 58222291649 72330765052 116444583298 232889166596 407556041543 756889791437 815112083086 1513779582874 1630224166172 3027559165748 5298228540059 10596457080118 21192914160236