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20310299976 = 23317157317071
BaseRepresentation
bin10010111010100101…
…101001010101001000
31221102110102010210110
4102322211221111020
5313043414044401
613155212114320
71316210462361
oct227245512510
957373363713
1020310299976
1186826a8a8a
123b29a659a0
131bb8a709a5
14da95bab68
157dd1119d6
hex4ba969548

20310299976 has 64 divisors (see below), whose sum is σ = 54105166080. Its totient is φ = 6331253760.

The previous prime is 20310299941. The next prime is 20310299987. The reversal of 20310299976 is 67999201302.

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, 94480 + ... + 222591.

It is an arithmetic number, because the mean of its divisors is an integer number (845393220).

Almost surely, 220310299976 is an apocalyptic number.

It is an amenable number.

20310299976 is an abundant number, since it is smaller than the sum of its proper divisors (33794866104).

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

20310299976 is a wasteful number, since it uses less digits than its factorization.

20310299976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317254 (or 317250 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 48.

The spelling of 20310299976 in words is "twenty billion, three hundred ten million, two hundred ninety-nine thousand, nine hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 157 204 314 408 471 628 942 1256 1884 2669 3768 5338 8007 10676 16014 21352 32028 64056 317071 634142 951213 1268284 1902426 2536568 3804852 5390207 7609704 10780414 16170621 21560828 32341242 43121656 49780147 64682484 99560294 129364968 149340441 199120588 298680882 398241176 597361764 846262499 1194723528 1692524998 2538787497 3385049996 5077574994 6770099992 10155149988 20310299976