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68272725767667 = 3192941302314439
BaseRepresentation
bin11111000010111111110111…
…00100010011010111110011
322221201210211122102101111120
433201133323210103113303
532422040020244031132
6401112020210113323
720244353534635101
oct1741377344232763
9287653748371446
1068272725767667
111a832333914163
1277a786587b843
132c13123845325
1412c05bbaccc71
157d5de4a2302c
hex3e17fb9135f3

68272725767667 has 16 divisors (see below), whose sum is σ = 99125554656000. Its totient is φ = 41632732953504.

The previous prime is 68272725767611. The next prime is 68272725767671. The reversal of 68272725767667 is 76676752727286.

It is a happy number.

It is not a de Polignac number, because 68272725767667 - 211 = 68272725765619 is a prime.

It is a super-2 number, since 2×682727257676672 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68272725767592 and 68272725767601.

It is not an unprimeable number, because it can be changed into a prime (68272725767767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20651155567 + ... + 20651158872.

It is an arithmetic number, because the mean of its divisors is an integer number (6195347166000).

Almost surely, 268272725767667 is an apocalyptic number.

68272725767667 is a deficient number, since it is larger than the sum of its proper divisors (30852828888333).

68272725767667 is a wasteful number, since it uses less digits than its factorization.

68272725767667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41302314490.

The product of its digits is 6970199040, while the sum is 78.

The spelling of 68272725767667 in words is "sixty-eight trillion, two hundred seventy-two billion, seven hundred twenty-five million, seven hundred sixty-seven thousand, six hundred sixty-seven".

Divisors: 1 3 19 29 57 87 551 1653 41302314439 123906943317 784743974341 1197767118731 2354231923023 3593301356193 22757575255889 68272725767667