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12310410340 = 225615520517
BaseRepresentation
bin10110111011100000…
…11111010001100100
31011202221012122021201
423131300133101210
5200202431112330
65353314452244
7614030522104
oct133560372144
934687178251
1012310410340
1152479a6548
122476894084
131212568b97
1484ad41204
154c0b38eca
hex2ddc1f464

12310410340 has 12 divisors (see below), whose sum is σ = 25851861756. Its totient is φ = 4924164128.

The previous prime is 12310410337. The next prime is 12310410353. The reversal of 12310410340 is 4301401321.

It can be written as a sum of positive squares in 2 ways, for example, as 7353405504 + 4957004836 = 85752^2 + 70406^2 .

It is a super-3 number, since 3×123104103403 (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307760239 + ... + 307760278.

It is an arithmetic number, because the mean of its divisors is an integer number (2154321813).

Almost surely, 212310410340 is an apocalyptic number.

12310410340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12310410340 is an abundant number, since it is smaller than the sum of its proper divisors (13541451416).

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

12310410340 is a wasteful number, since it uses less digits than its factorization.

12310410340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615520526 (or 615520524 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12310410340 its reverse (4301401321), we get a palindrome (16611811661).

The spelling of 12310410340 in words is "twelve billion, three hundred ten million, four hundred ten thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 615520517 1231041034 2462082068 3077602585 6155205170 12310410340