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12328000812 = 22321918023393
BaseRepresentation
bin10110111101100111…
…00101110100101100
31011211011022022212200
423132303211310230
5200221432011222
65355143501500
7614333164221
oct133663456454
934734268780
1012328000812
115256920526
122480757890
1312160b764a
1484d3dd948
154c2460eac
hex2dece5d2c

12328000812 has 36 divisors (see below), whose sum is σ = 32802577080. Its totient is φ = 3893052672.

The previous prime is 12328000787. The next prime is 12328000843. The reversal of 12328000812 is 21800082321.

It is a tau number, because it is divible by the number of its divisors (36).

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, 9011013 + ... + 9012380.

Almost surely, 212328000812 is an apocalyptic number.

12328000812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12328000812 is an abundant number, since it is smaller than the sum of its proper divisors (20474576268).

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

12328000812 is a wasteful number, since it uses less digits than its factorization.

12328000812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18023422 (or 18023417 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The spelling of 12328000812 in words is "twelve billion, three hundred twenty-eight million, eight hundred twelve", and thus it is an aban number.

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 684 18023393 36046786 54070179 72093572 108140358 162210537 216280716 324421074 342444467 648842148 684888934 1027333401 1369777868 2054666802 3082000203 4109333604 6164000406 12328000812