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12340311100 = 2252139492547
BaseRepresentation
bin10110111111000101…
…00011010000111100
31011212000110202102021
423133202203100330
5200233104423400
65400303405524
7614542625245
oct133742432074
934760422367
1012340311100
115262869417
1224848b38a4
131218807940
14850cc5ccc
154c359371a
hex2df8a343c

12340311100 has 36 divisors (see below), whose sum is σ = 28838360824. Its totient is φ = 4556422080.

The previous prime is 12340310993. The next prime is 12340311103. The reversal of 12340311100 is 111304321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12340311103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4744974 + ... + 4747573.

Almost surely, 212340311100 is an apocalyptic number.

12340311100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12340311100 is an abundant number, since it is smaller than the sum of its proper divisors (16498049724).

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

12340311100 is a wasteful number, since it uses less digits than its factorization.

12340311100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9492574 (or 9492567 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12340311100 its reverse (111304321), we get a palindrome (12451615421).

The spelling of 12340311100 in words is "twelve billion, three hundred forty million, three hundred eleven thousand, one hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 650 1300 9492547 18985094 37970188 47462735 94925470 123403111 189850940 237313675 246806222 474627350 493612444 617015555 949254700 1234031110 2468062220 3085077775 6170155550 12340311100