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67925993472 = 211341923937
BaseRepresentation
bin111111010000101101…
…000110100000000000
320111022212201222210000
4333100231012200000
52103103023242342
651112121440000
74623161263251
oct772055064000
9214285658700
1067925993472
11268974a8297
12111b8340000
13653685ac5c
1434053b4b28
151b784d044c
hexfd0b46800

67925993472 has 480 divisors, whose sum is σ = 223091668800. Its totient is φ = 20495794176.

The previous prime is 67925993459. The next prime is 67925993557. The reversal of 67925993472 is 27439952976.

67925993472 is a `hidden beast` number, since 6 + 7 + 9 + 2 + 599 + 34 + 7 + 2 = 666.

It is a super-2 number, since 2×679259934722 (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 39 ways as a sum of consecutive naturals, for example, 72492588 + ... + 72493524.

It is an arithmetic number, because the mean of its divisors is an integer number (464774310).

Almost surely, 267925993472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67925993472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111545834400).

67925993472 is an abundant number, since it is smaller than the sum of its proper divisors (155165675328).

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

67925993472 is a wasteful number, since it uses less digits than its factorization.

67925993472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013 (or 984 counting only the distinct ones).

The product of its digits is 51438240, while the sum is 63.

The spelling of 67925993472 in words is "sixty-seven billion, nine hundred twenty-five million, nine hundred ninety-three thousand, four hundred seventy-two".