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67944713696 = 255573811979
BaseRepresentation
bin111111010001110100…
…100000110111100000
320111101011222002002122
4333101310200313200
52103122321314241
651114031003412
74623506352206
oct772164406740
9214334862078
1067944713696
11268a7024052
1211202669568
13653a6b3a02
143407a89076
151b79e7c04b
hexfd1d20de0

67944713696 has 24 divisors (see below), whose sum is σ = 134006344920. Its totient is φ = 33911356288.

The previous prime is 67944713663. The next prime is 67944713717. The reversal of 67944713696 is 69631744976.

67944713696 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1888166 + ... + 1923813.

It is an arithmetic number, because the mean of its divisors is an integer number (5583597705).

Almost surely, 267944713696 is an apocalyptic number.

It is an amenable number.

67944713696 is a deficient number, since it is larger than the sum of its proper divisors (66061631224).

67944713696 is a wasteful number, since it uses less digits than its factorization.

67944713696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3812546 (or 3812538 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 62.

The spelling of 67944713696 in words is "sixty-seven billion, nine hundred forty-four million, seven hundred thirteen thousand, six hundred ninety-six".

Divisors: 1 2 4 8 16 32 557 1114 2228 4456 8912 17824 3811979 7623958 15247916 30495832 60991664 121983328 2123272303 4246544606 8493089212 16986178424 33972356848 67944713696