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13149448510 = 2511472125321
BaseRepresentation
bin11000011111100010…
…01010100100111110
31020221102000012021111
430033301022210332
5203412224323020
610012450152234
7643566316402
oct141761124476
936842005244
1013149448510
115638580320
12266b88267a
131317339883
148ca54d102
1551e622d5a
hex30fc4a93e

13149448510 has 32 divisors (see below), whose sum is σ = 25827224544. Its totient is φ = 4780416000.

The previous prime is 13149448457. The next prime is 13149448577. The reversal of 13149448510 is 1584494131.

It is a happy number.

It is a super-2 number, since 2×131494485102 (a number of 21 digits) contains 22 as substring.

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, 506650 + ... + 531970.

It is an arithmetic number, because the mean of its divisors is an integer number (807100767).

Almost surely, 213149448510 is an apocalyptic number.

13149448510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13149448510 is a deficient number, since it is larger than the sum of its proper divisors (12677776034).

13149448510 is a wasteful number, since it uses less digits than its factorization.

13149448510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30060.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 13149448510 in words is "thirteen billion, one hundred forty-nine million, four hundred forty-eight thousand, five hundred ten".

Divisors: 1 2 5 10 11 22 55 110 4721 9442 23605 25321 47210 50642 51931 103862 126605 253210 259655 278531 519310 557062 1392655 2785310 119540441 239080882 597702205 1195404410 1314944851 2629889702 6574724255 13149448510