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12076489188 = 2232335458033
BaseRepresentation
bin10110011111101000…
…01001100111100100
31011011122001012210100
423033310021213210
5144213040123223
65314201024100
7605160315201
oct131764114744
934148035710
1012076489188
115137955085
122410485030
1311a5c65bba
14827c4cca8
154aa32e043
hex2cfd099e4

12076489188 has 18 divisors (see below), whose sum is σ = 30526681094. Its totient is φ = 4025496384.

The previous prime is 12076489171. The next prime is 12076489259. The reversal of 12076489188 is 88198467021.

12076489188 is a `hidden beast` number, since 12 + 0 + 76 + 489 + 1 + 88 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9346635684 + 2729853504 = 96678^2 + 52248^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×120764891882 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 167728981 + ... + 167729052.

Almost surely, 212076489188 is an apocalyptic number.

12076489188 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12076489188 is an abundant number, since it is smaller than the sum of its proper divisors (18450191906).

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

12076489188 is a wasteful number, since it uses less digits than its factorization.

12076489188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335458043 (or 335458038 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 54.

It can be divided in two parts, 12076 and 489188, that added together give a square (501264 = 7082).

The spelling of 12076489188 in words is "twelve billion, seventy-six million, four hundred eighty-nine thousand, one hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 335458033 670916066 1006374099 1341832132 2012748198 3019122297 4025496396 6038244594 12076489188