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12532364620 = 2254380918013
BaseRepresentation
bin10111010101111110…
…01011010101001100
31012100101212002022121
423222333023111030
5201131241131440
65431324022324
7622364225116
oct135277132514
935311762277
1012532364620
115351214036
1225190919a4
13124953bc89
1486c5da3b6
154d537d34a
hex2eafcb54c

12532364620 has 48 divisors (see below), whose sum is σ = 26964796320. Its totient is φ = 4890041856.

The previous prime is 12532364617. The next prime is 12532364639. The reversal of 12532364620 is 2646323521.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 686734 + ... + 704746.

It is an arithmetic number, because the mean of its divisors is an integer number (561766590).

Almost surely, 212532364620 is an apocalyptic number.

12532364620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12532364620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13482398160).

12532364620 is an abundant number, since it is smaller than the sum of its proper divisors (14432431700).

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

12532364620 is a wasteful number, since it uses less digits than its factorization.

12532364620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18874 (or 18872 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 12532364620 in words is "twelve billion, five hundred thirty-two million, three hundred sixty-four thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 809 860 1618 3236 4045 8090 16180 18013 34787 36026 69574 72052 90065 139148 173935 180130 347870 360260 695740 774559 1549118 3098236 3872795 7745590 14572517 15491180 29145034 58290068 72862585 145725170 291450340 626618231 1253236462 2506472924 3133091155 6266182310 12532364620