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12958077708 = 223439994067
BaseRepresentation
bin11000001000101110…
…01001001100001100
31020110001220112220000
430010113021030030
5203014231441313
65541452324300
7636053562132
oct140427111414
936401815800
1012958077708
11554a551634
122617773690
1312b67b4204
148acd75752
1550c920673
hex3045c930c

12958077708 has 30 divisors (see below), whose sum is σ = 33874975596. Its totient is φ = 4319359128.

The previous prime is 12958077703. The next prime is 12958077721. The reversal of 12958077708 is 80777085921.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (12958077703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19996710 + ... + 19997357.

Almost surely, 212958077708 is an apocalyptic number.

12958077708 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12958077708 is an abundant number, since it is smaller than the sum of its proper divisors (20916897888).

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

12958077708 is a wasteful number, since it uses less digits than its factorization.

12958077708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39994083 (or 39994072 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 54.

The spelling of 12958077708 in words is "twelve billion, nine hundred fifty-eight million, seventy-seven thousand, seven hundred eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 39994067 79988134 119982201 159976268 239964402 359946603 479928804 719893206 1079839809 1439786412 2159679618 3239519427 4319359236 6479038854 12958077708