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1315225155252 = 2231091093991921
BaseRepresentation
bin10011001000111001100…
…001110011011010110100
311122201211022011110212010
4103020321201303122310
5133022040114432002
62444112303324220
7164010335235201
oct23107141633264
94581738143763
101315225155252
11467869348728
12192a962b0670
1397043497548
144792b65cca8
152432a8b246c
hex132398736b4

1315225155252 has 48 divisors (see below), whose sum is σ = 3097330174400. Its totient is φ = 434341854720.

The previous prime is 1315225155221. The next prime is 1315225155271. The reversal of 1315225155252 is 2525515225131.

It is a self number, because there is not a number n which added to its sum of digits gives 1315225155252.

It is a congruent number.

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, 14262252 + ... + 14354172.

Almost surely, 21315225155252 is an apocalyptic number.

1315225155252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1315225155252 is an abundant number, since it is smaller than the sum of its proper divisors (1782105019148).

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

1315225155252 is a wasteful number, since it uses less digits than its factorization.

1315225155252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102976 (or 102974 counting only the distinct ones).

The product of its digits is 150000, while the sum is 39.

The spelling of 1315225155252 in words is "one trillion, three hundred fifteen billion, two hundred twenty-five million, one hundred fifty-five thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 109 218 327 436 654 1308 10939 21878 32817 43756 65634 91921 131268 183842 275763 367684 551526 1103052 1192351 2384702 3577053 4769404 7154106 10019389 14308212 20038778 30058167 40077556 60116334 120232668 1005523819 2011047638 3016571457 4022095276 6033142914 12066285828 109602096271 219204192542 328806288813 438408385084 657612577626 1315225155252