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13155403052 = 2211292355513
BaseRepresentation
bin11000100000001111…
…11000010100101100
31020221211012201101002
430100013320110230
5203420240344202
610013221535432
7644001036521
oct142007702454
936854181332
1013155403052
115640978030
122671874578
131318642c7c
148cb25d148
1551edec302
hex3101f852c

13155403052 has 36 divisors (see below), whose sum is σ = 26010826296. Its totient is φ = 5773514880.

The previous prime is 13155402991. The next prime is 13155403111. The reversal of 13155403052 is 25030455131.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140753 + ... + 214760.

Almost surely, 213155403052 is an apocalyptic number.

It is an amenable number.

13155403052 is a deficient number, since it is larger than the sum of its proper divisors (12855423244).

13155403052 is a wasteful number, since it uses less digits than its factorization.

13155403052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355586 (or 355555 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 13155403052 its reverse (25030455131), we get a palindrome (38185858183).

The spelling of 13155403052 in words is "thirteen billion, one hundred fifty-five million, four hundred three thousand, fifty-two".

Divisors: 1 2 4 11 22 29 44 58 116 319 638 841 1276 1682 3364 9251 18502 37004 355513 711026 1422052 3910643 7821286 10309877 15642572 20619754 41239508 113408647 226817294 298986433 453634588 597972866 1195945732 3288850763 6577701526 13155403052