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13112310323320 = 23513172364491001
BaseRepresentation
bin1011111011001111001010…
…0110010101100001111000
31201102112011110012002102221
42332303302212111201320
53204313002420321240
643515413500333424
72522222162530345
oct276636246254170
951375143162387
1013112310323320
1141a5999381a1a
121579306244274
13741640a03230
143348d3da37cc
1517b1344dea4a
hexbecf2995878

13112310323320 has 128 divisors (see below), whose sum is σ = 35103742208640. Its totient is φ = 4358559744000.

The previous prime is 13112310323309. The next prime is 13112310323323. The reversal of 13112310323320 is 2332301321131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112310323323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32042181 + ... + 32448820.

It is an arithmetic number, because the mean of its divisors is an integer number (274247986005).

Almost surely, 213112310323320 is an apocalyptic number.

13112310323320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13112310323320 is an abundant number, since it is smaller than the sum of its proper divisors (21991431885320).

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

13112310323320 is a wasteful number, since it uses less digits than its factorization.

13112310323320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64491065 (or 64491061 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 13112310323320 its reverse (2332301321131), we get a palindrome (15444611644451).

The spelling of 13112310323320 in words is "thirteen trillion, one hundred twelve billion, three hundred ten million, three hundred twenty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 13 17 20 23 26 34 40 46 52 65 68 85 92 104 115 130 136 170 184 221 230 260 299 340 391 442 460 520 598 680 782 884 920 1105 1196 1495 1564 1768 1955 2210 2392 2990 3128 3910 4420 5083 5980 7820 8840 10166 11960 15640 20332 25415 40664 50830 101660 203320 64491001 128982002 257964004 322455005 515928008 644910010 838383013 1096347017 1289820020 1483293023 1676766026 2192694034 2579640040 2966586046 3353532052 4191915065 4385388068 5481735085 5933172092 6707064104 7416465115 8383830130 8770776136 10963470170 11866344184 14252511221 14832930230 16767660260 19282809299 21926940340 25215981391 28505022442 29665860460 33535320520 38565618598 43853880680 50431962782 57010044884 59331720920 71262556105 77131237196 96414046495 100863925564 114020089768 126079906955 142525112210 154262474392 192828092990 201727851128 252159813910 285050224420 327807758083 385656185980 504319627820 570100448840 655615516166 771312371960 1008639255640 1311231032332 1639038790415 2622462064664 3278077580830 6556155161660 13112310323320