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13761275297 = 721161571733
BaseRepresentation
bin11001101000011110…
…00110010110100001
31022112001021012211212
430310033012112201
5211140341302142
610153303515505
7665005624100
oct146417062641
938461235755
1013761275297
1159219768a0
122800758b95
1313b4016663
149478d4037
155581c9d82
hex3343c65a1

13761275297 has 48 divisors (see below), whose sum is σ = 17804913984. Its totient is φ = 10514448000.

The previous prime is 13761275287. The next prime is 13761275327. The reversal of 13761275297 is 79257216731.

It is not a de Polignac number, because 13761275297 - 210 = 13761274273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13761275267) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18773543 + ... + 18774275.

It is an arithmetic number, because the mean of its divisors is an integer number (370935708).

Almost surely, 213761275297 is an apocalyptic number.

It is an amenable number.

13761275297 is a deficient number, since it is larger than the sum of its proper divisors (4043638687).

13761275297 is a wasteful number, since it uses less digits than its factorization.

13761275297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390 (or 1383 counting only the distinct ones).

The product of its digits is 1111320, while the sum is 50.

The spelling of 13761275297 in words is "thirteen billion, seven hundred sixty-one million, two hundred seventy-five thousand, two hundred ninety-seven".

Divisors: 1 7 11 49 61 77 427 539 571 671 733 2989 3997 4697 5131 6281 8063 27979 32879 34831 35917 43967 44713 56441 243817 307769 312991 383141 395087 418543 491843 1706719 2190937 2681987 2929801 3442901 4603973 18773909 20508607 24100307 25531123 32227811 178717861 225594677 280842353 1251025027 1965896471 13761275297