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13012200132 = 2231318277481
BaseRepresentation
bin11000001111001011…
…00110101011000100
31020120211202020220020
430013211212223010
5203122110401012
65551104335140
7640311606351
oct140745465304
936524666806
1013012200132
115578058608
1226319144b0
1312c4a83b09
148b6223628
15512561a8c
hex307966ac4

13012200132 has 24 divisors (see below), whose sum is σ = 30593573472. Its totient is φ = 4304289600.

The previous prime is 13012200107. The next prime is 13012200137. The reversal of 13012200132 is 23100221031.

It is not an unprimeable number, because it can be changed into a prime (13012200137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4137169 + ... + 4140312.

It is an arithmetic number, because the mean of its divisors is an integer number (1274732228).

Almost surely, 213012200132 is an apocalyptic number.

13012200132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13012200132 is an abundant number, since it is smaller than the sum of its proper divisors (17581373340).

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

13012200132 is a wasteful number, since it uses less digits than its factorization.

13012200132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8277619 (or 8277617 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 13012200132 its reverse (23100221031), we get a palindrome (36112421163).

The spelling of 13012200132 in words is "thirteen billion, twelve million, two hundred thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 131 262 393 524 786 1572 8277481 16554962 24832443 33109924 49664886 99329772 1084350011 2168700022 3253050033 4337400044 6506100066 13012200132