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2311013412100 = 2252184331253737
BaseRepresentation
bin100001101000010011001…
…000100010110100000100
322011221010111110011220001
4201220103020202310010
5300330423413141400
64525355341451044
7325652031613531
oct41502310426404
98157114404801
102311013412100
11811105906658
12313a81870a84
13139c0a005273
147dbd4593d88
15401ac4c9a6a
hex21a13222d04

2311013412100 has 36 divisors (see below), whose sum is σ = 5015175165364. Its totient is φ = 924354478080.

The previous prime is 2311013412083. The next prime is 2311013412107. The reversal of 2311013412100 is 12143101132.

It can be written as a sum of positive squares in 6 ways, for example, as 91920537856 + 2219092874244 = 303184^2 + 1489662^2 .

It is not an unprimeable number, because it can be changed into a prime (2311013412107) 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, 1216432 + ... + 2470168.

Almost surely, 22311013412100 is an apocalyptic number.

2311013412100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2311013412100 is an abundant number, since it is smaller than the sum of its proper divisors (2704161753264).

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

2311013412100 is a wasteful number, since it uses less digits than its factorization.

2311013412100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272184 (or 1272177 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2311013412100 its reverse (12143101132), we get a palindrome (2323156513232).

The spelling of 2311013412100 in words is "two trillion, three hundred eleven billion, thirteen million, four hundred twelve thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 18433 36866 73732 92165 184330 368660 460825 921650 1253737 1843300 2507474 5014948 6268685 12537370 25074740 31343425 62686850 125373700 23110134121 46220268242 92440536484 115550670605 231101341210 462202682420 577753353025 1155506706050 2311013412100