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12320131010 = 2511234869617
BaseRepresentation
bin10110111100101011…
…00100011111000010
31011210121111111112112
423132111210133002
5200212423143020
65354303055322
7614206246205
oct133625443702
934717444475
1012320131010
115252435860
122479ba1542
131214590565
1484c35193c
154c19092c5
hex2de5647c2

12320131010 has 32 divisors (see below), whose sum is σ = 25244099712. Its totient is φ = 4285262080.

The previous prime is 12320131003. The next prime is 12320131063. The reversal of 12320131010 is 1013102321.

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, 2432279 + ... + 2437338.

It is an arithmetic number, because the mean of its divisors is an integer number (788878116).

Almost surely, 212320131010 is an apocalyptic number.

12320131010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12320131010 is an abundant number, since it is smaller than the sum of its proper divisors (12923968702).

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

12320131010 is a wasteful number, since it uses less digits than its factorization.

12320131010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4869658.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12320131010 its reverse (1013102321), we get a palindrome (13333233331).

The spelling of 12320131010 in words is "twelve billion, three hundred twenty million, one hundred thirty-one thousand, ten".

Divisors: 1 2 5 10 11 22 23 46 55 110 115 230 253 506 1265 2530 4869617 9739234 24348085 48696170 53565787 107131574 112001191 224002382 267828935 535657870 560005955 1120011910 1232013101 2464026202 6160065505 12320131010