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672693122686 = 213192092165089
BaseRepresentation
bin10011100100111111010…
…00100111011001111110
32101022100010210022011111
421302133220213121332
542010133414411221
61233010404112234
766412651125214
oct11623750473176
92338303708144
10672693122686
1123a3188045a2
12aa45769567a
134b586021180
14247b681ccb4
1512771b05be1
hex9c9fa2767e

672693122686 has 32 divisors (see below), whose sum is σ = 1143922903200. Its totient is φ = 294114447360.

The previous prime is 672693122671. The next prime is 672693122707. The reversal of 672693122686 is 686221396276.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 672693122686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10302430 + ... + 10367518.

It is an arithmetic number, because the mean of its divisors is an integer number (35747590725).

Almost surely, 2672693122686 is an apocalyptic number.

672693122686 is a deficient number, since it is larger than the sum of its proper divisors (471229780514).

672693122686 is a wasteful number, since it uses less digits than its factorization.

672693122686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86044.

The product of its digits is 15676416, while the sum is 58.

The spelling of 672693122686 in words is "six hundred seventy-two billion, six hundred ninety-three million, one hundred twenty-two thousand, six hundred eighty-six".

Divisors: 1 2 13 19 26 38 247 494 20921 41842 65089 130178 271973 397499 543946 794998 846157 1236691 1692314 2473382 5167487 10334974 16076983 32153966 1361726969 2723453938 17702450597 25872812411 35404901194 51745624822 336346561343 672693122686