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13136252660 = 2252399728643
BaseRepresentation
bin11000011101111101…
…10100111011110100
31020220111011202222022
430032332310323310
5203400340041120
610011255252312
7643346206466
oct141676647364
936814152868
1013136252660
115631088063
12266737a098
13131469948b
148c88b6136
1551d3b8025
hex30efb4ef4

13136252660 has 48 divisors (see below), whose sum is σ = 28815405696. Its totient is φ = 5020828032.

The previous prime is 13136252659. The next prime is 13136252663. The reversal of 13136252660 is 6625263131.

It is a super-2 number, since 2×131362526602 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13136252660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13136252663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444299 + ... + 472941.

It is an arithmetic number, because the mean of its divisors is an integer number (600320952).

Almost surely, 213136252660 is an apocalyptic number.

13136252660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13136252660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14407702848).

13136252660 is an abundant number, since it is smaller than the sum of its proper divisors (15679153036).

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

13136252660 is a wasteful number, since it uses less digits than its factorization.

13136252660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29672 (or 29670 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 13136252660 in words is "thirteen billion, one hundred thirty-six million, two hundred fifty-two thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 997 1994 3988 4985 9970 19940 22931 28643 45862 57286 91724 114572 114655 143215 229310 286430 458620 572860 658789 1317578 2635156 3293945 6587890 13175780 28557071 57114142 114228284 142785355 285570710 571141420 656812633 1313625266 2627250532 3284063165 6568126330 13136252660