Search a number
-
+
113131210012320 = 2535235690020859
BaseRepresentation
bin11001101110010001101001…
…100101011111011010100000
3112211120020102112121022001010
4121232101221211133122200
5104312020204230343240
61040335432125140520
732554313563500003
oct3156215145373240
9484506375538033
10113131210012320
1133057749800185
12108317053ba740
134b182c55946b6
141dd1818cbb53a
15d12c08132280
hex66e46995f6a0

113131210012320 has 48 divisors (see below), whose sum is σ = 356363311540320. Its totient is φ = 30168322669824.

The previous prime is 113131210012267. The next prime is 113131210012349. The reversal of 113131210012320 is 23210012131311.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117845009950 + ... + 117845010909.

It is an arithmetic number, because the mean of its divisors is an integer number (7424235657090).

Almost surely, 2113131210012320 is an apocalyptic number.

113131210012320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113131210012320 is an abundant number, since it is smaller than the sum of its proper divisors (243232101528000).

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

113131210012320 is a wasteful number, since it uses less digits than its factorization.

113131210012320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235690020877 (or 235690020869 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 113131210012320 its reverse (23210012131311), we get a palindrome (136341222143631).

The spelling of 113131210012320 in words is "one hundred thirteen trillion, one hundred thirty-one billion, two hundred ten million, twelve thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 235690020859 471380041718 707070062577 942760083436 1178450104295 1414140125154 1885520166872 2356900208590 2828280250308 3535350312885 3771040333744 4713800417180 5656560500616 7070700625770 7542080667488 9427600834360 11313121001232 14141401251540 18855201668720 22626242002464 28282802503080 37710403337440 56565605006160 113131210012320