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67400704068 = 2237376941443
BaseRepresentation
bin111110110001011001…
…010010000001000100
320102222021022112011220
4332301121102001010
52101014040012233
650544035000340
74604152350255
oct766131220104
9212867275156
1067400704068
1126647a38615
12110904390b0
136481a90019
143395718b2c
151b4731deb3
hexfb1652044

67400704068 has 24 divisors (see below), whose sum is σ = 159422671968. Its totient is φ = 22159135296.

The previous prime is 67400703977. The next prime is 67400704073. The reversal of 67400704068 is 86040700476.

It is a super-2 number, since 2×674007040682 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38469846 + ... + 38471597.

It is an arithmetic number, because the mean of its divisors is an integer number (6642611332).

Almost surely, 267400704068 is an apocalyptic number.

It is an amenable number.

67400704068 is an abundant number, since it is smaller than the sum of its proper divisors (92021967900).

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

67400704068 is a wasteful number, since it uses less digits than its factorization.

67400704068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76941523 (or 76941521 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 67400704068 in words is "sixty-seven billion, four hundred million, seven hundred four thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 73 146 219 292 438 876 76941443 153882886 230824329 307765772 461648658 923297316 5616725339 11233450678 16850176017 22466901356 33700352034 67400704068