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13010030312 = 237938952919
BaseRepresentation
bin11000001110111010…
…10100111011101000
31020120200200000110112
430013131110323220
5203121031432222
65550550033452
7640254301346
oct140735247350
936520600415
1013010030312
115576906374
122631048888
1312c44a42b6
148b5c1a996
15512283be2
hex307754ee8

13010030312 has 32 divisors (see below), whose sum is σ = 24766560000. Its totient is φ = 6406041408.

The previous prime is 13010030309. The next prime is 13010030321. The reversal of 13010030312 is 21303001031.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219389 + ... + 272307.

It is an arithmetic number, because the mean of its divisors is an integer number (773955000).

Almost surely, 213010030312 is an apocalyptic number.

It is an amenable number.

13010030312 is a deficient number, since it is larger than the sum of its proper divisors (11756529688).

13010030312 is a wasteful number, since it uses less digits than its factorization.

13010030312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53393 (or 53389 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 13010030312 its reverse (21303001031), we get a palindrome (34313031343).

The spelling of 13010030312 in words is "thirteen billion, ten million, thirty thousand, three hundred twelve".

Divisors: 1 2 4 8 79 158 316 389 632 778 1556 3112 30731 52919 61462 105838 122924 211676 245848 423352 4180601 8361202 16722404 20585491 33444808 41170982 82341964 164683928 1626253789 3252507578 6505015156 13010030312