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12973368525 = 3521317782707
BaseRepresentation
bin11000001010100010…
…11110010011001101
31020111010200101221120
430011101132103031
5203032140243100
65543200151153
7636330545565
oct140521362315
936433611846
1012973368525
115558145877
1226209084b9
1312b9a09030
148b0dd5da5
1550de410a0
hex30545e4cd

12973368525 has 48 divisors (see below), whose sum is σ = 24458059584. Its totient is φ = 6011182080.

The previous prime is 12973368517. The next prime is 12973368547. The reversal of 12973368525 is 52586337921.

It is not a de Polignac number, because 12973368525 - 23 = 12973368517 is a prime.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 374779 + ... + 407928.

It is an arithmetic number, because the mean of its divisors is an integer number (509542908).

Almost surely, 212973368525 is an apocalyptic number.

12973368525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12973368525 is a deficient number, since it is larger than the sum of its proper divisors (11484691059).

12973368525 is a wasteful number, since it uses less digits than its factorization.

12973368525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782750 (or 782745 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 51.

The spelling of 12973368525 in words is "twelve billion, nine hundred seventy-three million, three hundred sixty-eight thousand, five hundred twenty-five".

Divisors: 1 3 5 13 15 17 25 39 51 65 75 85 195 221 255 325 425 663 975 1105 1275 3315 5525 16575 782707 2348121 3913535 10175191 11740605 13306019 19567675 30525573 39918057 50875955 58703025 66530095 152627865 172978247 199590285 254379775 332650475 518934741 763139325 864891235 997951425 2594673705 4324456175 12973368525