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68469050724 = 2237211791257
BaseRepresentation
bin111111110001000100…
…101100110101100100
320112201201121011021120
4333301010230311210
52110211034110344
651242041213540
74642504220454
oct776104546544
9215651534246
1068469050724
1127045aa3238
121132a1912b0
1365c220a2c9
143457577d64
151bab001219
hexff112cd64

68469050724 has 24 divisors (see below), whose sum is σ = 159783475488. Its totient is φ = 22819823040.

The previous prime is 68469050687. The next prime is 68469050759. The reversal of 68469050724 is 42705096486.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309097 + ... + 482160.

It is an arithmetic number, because the mean of its divisors is an integer number (6657644812).

Almost surely, 268469050724 is an apocalyptic number.

It is an amenable number.

68469050724 is an abundant number, since it is smaller than the sum of its proper divisors (91314424764).

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

68469050724 is a wasteful number, since it uses less digits than its factorization.

68469050724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798475 (or 798473 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 68469050724 in words is "sixty-eight billion, four hundred sixty-nine million, fifty thousand, seven hundred twenty-four".

Divisors: 1 2 3 4 6 12 7211 14422 21633 28844 43266 86532 791257 1582514 2373771 3165028 4747542 9495084 5705754227 11411508454 17117262681 22823016908 34234525362 68469050724