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68236893102 = 2371823389107
BaseRepresentation
bin111111100011001111…
…000101101110101110
320112010112202022220010
4333203033011232232
52104222121034402
651203025234050
74633655010210
oct774317055656
9215115668803
1068236893102
1126a36a46834
1211284492926
1365860a3c31
1434347c45b0
151b95943a6c
hexfe33c5bae

68236893102 has 32 divisors (see below), whose sum is σ = 155980346112. Its totient is φ = 19494967104.

The previous prime is 68236893091. The next prime is 68236893157. The reversal of 68236893102 is 20139863286.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 721233 + ... + 810339.

It is an arithmetic number, because the mean of its divisors is an integer number (4874385816).

Almost surely, 268236893102 is an apocalyptic number.

68236893102 is an abundant number, since it is smaller than the sum of its proper divisors (87743453010).

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

68236893102 is a wasteful number, since it uses less digits than its factorization.

68236893102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107352.

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 68236893102 in words is "sixty-eight billion, two hundred thirty-six million, eight hundred ninety-three thousand, one hundred two".

Divisors: 1 2 3 6 7 14 21 42 18233 36466 54699 89107 109398 127631 178214 255262 267321 382893 534642 623749 765786 1247498 1871247 3742494 1624687931 3249375862 4874063793 9748127586 11372815517 22745631034 34118446551 68236893102