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68407272853799 = 11231971372510039
BaseRepresentation
bin11111000110111010011110…
…01100101101000100100111
322222012200010110111112122212
433203131033030231010213
532431241043322310144
6401253511201114035
720260155664203245
oct1743351714550447
9288180113445585
1068407272853799
111a8843a8174410
12780995532891b
132c22a1679b669
1412c6d0303d795
157d966bb7649e
hex3e374f32d127

68407272853799 has 16 divisors (see below), whose sum is σ = 78266012520960. Its totient is φ = 59182632838560.

The previous prime is 68407272853771. The next prime is 68407272853807. The reversal of 68407272853799 is 99735827270486.

It is a de Polignac number, because none of the positive numbers 2k-68407272853799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68407272853709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 686205179 + ... + 686304860.

It is an arithmetic number, because the mean of its divisors is an integer number (4891625782560).

Almost surely, 268407272853799 is an apocalyptic number.

68407272853799 is a deficient number, since it is larger than the sum of its proper divisors (9858739667161).

68407272853799 is a wasteful number, since it uses less digits than its factorization.

68407272853799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372510270.

The product of its (nonzero) digits is 2560481280, while the sum is 77.

The spelling of 68407272853799 in words is "sixty-eight trillion, four hundred seven billion, two hundred seventy-two million, eight hundred fifty-three thousand, seven hundred ninety-nine".

Divisors: 1 11 23 197 253 2167 4531 49841 1372510039 15097610429 31567730897 270384477683 347245039867 2974229254513 6218842986709 68407272853799