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1297694072292 = 2232345710288381
BaseRepresentation
bin10010111000100100100…
…110000001110111100100
311121001120112100012002020
4102320210212001313210
5132230134140303132
62432052531343140
7162520032421152
oct22704446016744
94531515305066
101297694072292
11460392522612
1218b603151ab0
13954ab458187
1446b472163d2
1523b5178252c
hex12e24981de4

1297694072292 has 48 divisors (see below), whose sum is σ = 3166517058432. Its totient is φ = 412852112640.

The previous prime is 1297694072273. The next prime is 1297694072299. The reversal of 1297694072292 is 2922704967921.

It is not an unprimeable number, because it can be changed into a prime (1297694072299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5018059 + ... + 5270322.

It is an arithmetic number, because the mean of its divisors is an integer number (65969105384).

Almost surely, 21297694072292 is an apocalyptic number.

1297694072292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1297694072292 is an abundant number, since it is smaller than the sum of its proper divisors (1868822986140).

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

1297694072292 is a wasteful number, since it uses less digits than its factorization.

1297694072292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10288868 (or 10288866 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 60.

The spelling of 1297694072292 in words is "one trillion, two hundred ninety-seven billion, six hundred ninety-four million, seventy-two thousand, two hundred ninety-two".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 457 914 1371 1828 2742 5484 10511 21022 31533 42044 63066 126132 10288381 20576762 30865143 41153524 61730286 123460572 236632763 473265526 709898289 946531052 1419796578 2839593156 4701790117 9403580234 14105370351 18807160468 28210740702 56421481404 108141172691 216282345382 324423518073 432564690764 648847036146 1297694072292