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12344886160 = 245457337661
BaseRepresentation
bin10110111111101000…
…00000001110010000
31011212100002012012221
423133310000032100
5200240242324120
65400545430424
7614626541515
oct133764001620
934770065187
1012344886160
115265403762
12248633b414
13121974a189
1485175730c
154c3b990aa
hex2dfd00390

12344886160 has 40 divisors (see below), whose sum is σ = 28764750456. Its totient is φ = 4927134720.

The previous prime is 12344886157. The next prime is 12344886179. The reversal of 12344886160 is 6168844321.

It can be written as a sum of positive squares in 4 ways, for example, as 7595471104 + 4749415056 = 87152^2 + 68916^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132271 + ... + 205390.

Almost surely, 212344886160 is an apocalyptic number.

12344886160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12344886160 is an abundant number, since it is smaller than the sum of its proper divisors (16419864296).

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

12344886160 is a wasteful number, since it uses less digits than its factorization.

12344886160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338131 (or 338125 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 12344886160 in words is "twelve billion, three hundred forty-four million, eight hundred eighty-six thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 457 914 1828 2285 3656 4570 7312 9140 18280 36560 337661 675322 1350644 1688305 2701288 3376610 5402576 6753220 13506440 27012880 154311077 308622154 617244308 771555385 1234488616 1543110770 2468977232 3086221540 6172443080 12344886160