Search a number
-
+
13163155012 = 22717431514259
BaseRepresentation
bin11000100001001010…
…11100111001000100
31020222100210120001201
430100211130321010
5203424231430022
610014100032244
7644123654140
oct142045347104
936870716051
1013163155012
115645292207
122674392684
13131a128527
148cc2ba220
1552092e127
hex31095ce44

13163155012 has 96 divisors (see below), whose sum is σ = 28718807040. Its totient is φ = 5150476800.

The previous prime is 13163155003. The next prime is 13163155043. The reversal of 13163155012 is 21055136131.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3088539 + ... + 3092797.

It is an arithmetic number, because the mean of its divisors is an integer number (299154240).

Almost surely, 213163155012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13163155012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14359403520).

13163155012 is an abundant number, since it is smaller than the sum of its proper divisors (15555652028).

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

13163155012 is a wasteful number, since it uses less digits than its factorization.

13163155012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4481 (or 4479 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

It can be divided in two parts, 1316 and 3155012, that added together give a triangular number (3156328 = T2512).

The spelling of 13163155012 in words is "thirteen billion, one hundred sixty-three million, one hundred fifty-five thousand, twelve".

Divisors: 1 2 4 7 14 17 28 34 43 68 86 119 151 172 238 301 302 476 602 604 731 1057 1204 1462 2114 2567 2924 4228 4259 5117 5134 6493 8518 10234 10268 12986 17036 17969 20468 25972 29813 35938 45451 59626 71876 72403 90902 110381 119252 144806 181804 183137 220762 289612 366274 441524 506821 643109 732548 772667 1013642 1281959 1286218 1545334 2027284 2563918 2572436 3090668 3113329 4501763 5127836 6226658 9003526 10932853 12453316 18007052 21793303 21865706 27653687 43586606 43731412 55307374 76529971 87173212 110614748 153059942 193575809 306119884 387151618 470112679 774303236 940225358 1880450716 3290788753 6581577506 13163155012