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13012332132 = 2232921289371
BaseRepresentation
bin11000001111001100…
…00110111001100100
31020120211222221222010
430013212012321210
5203122124112012
65551111234220
7640312666242
oct140746067144
936524887863
1013012332132
1155781387a8
122631978970
1312c4acbc17
148b6259792
1551258ac3c
hex307986e64

13012332132 has 36 divisors (see below), whose sum is σ = 31445204336. Its totient is φ = 4187873760.

The previous prime is 13012332079. The next prime is 13012332143. The reversal of 13012332132 is 23123321031.

It is a junction number, because it is equal to n+sod(n) for n = 13012332099 and 13012332108.

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, 634594 + ... + 654777.

Almost surely, 213012332132 is an apocalyptic number.

13012332132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13012332132 is an abundant number, since it is smaller than the sum of its proper divisors (18432872204).

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

13012332132 is a wasteful number, since it uses less digits than its factorization.

13012332132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289436 (or 1289405 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13012332132 its reverse (23123321031), we get a palindrome (36135653163).

The spelling of 13012332132 in words is "thirteen billion, twelve million, three hundred thirty-two thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 841 1682 2523 3364 5046 10092 1289371 2578742 3868113 5157484 7736226 15472452 37391759 74783518 112175277 149567036 224350554 448701108 1084361011 2168722022 3253083033 4337444044 6506166066 13012332132