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12310013300 = 2252139469241
BaseRepresentation
bin10110111011011101…
…11110010101110100
31011202220110110122112
423131232332111310
5200202330411200
65353302150152
7614024246414
oct133556762564
934686413575
1012310013300
115247755212
122476722358
13121245a250
1484ac7a644
154c0aab535
hex2ddbbe574

12310013300 has 36 divisors (see below), whose sum is σ = 28767557196. Its totient is φ = 4545235200.

The previous prime is 12310013291. The next prime is 12310013321. The reversal of 12310013300 is 331001321.

It can be written as a sum of positive squares in 6 ways, for example, as 847741456 + 11462271844 = 29116^2 + 107062^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4733321 + ... + 4735920.

It is an arithmetic number, because the mean of its divisors is an integer number (799098811).

Almost surely, 212310013300 is an apocalyptic number.

12310013300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12310013300 is an abundant number, since it is smaller than the sum of its proper divisors (16457543896).

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

12310013300 is a wasteful number, since it uses less digits than its factorization.

12310013300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9469268 (or 9469261 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 12310013300 its reverse (331001321), we get a palindrome (12641014621).

The spelling of 12310013300 in words is "twelve billion, three hundred ten million, thirteen thousand, three hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 650 1300 9469241 18938482 37876964 47346205 94692410 123100133 189384820 236731025 246200266 473462050 492400532 615500665 946924100 1231001330 2462002660 3077503325 6155006650 12310013300