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674030801664 = 28321185731033
BaseRepresentation
bin10011100111011110101…
…11011101001100000000
32101102210100212102202100
421303233113131030000
542020403341123124
61233351231150400
766461053166013
oct11635727351400
92342710772670
10674030801664
1123a9448a7610
12aa76b675400
134b73a1bc3ac
14248a234b37a
15127ee28a1c9
hex9cef5dd300

674030801664 has 216 divisors, whose sum is σ = 2122611643152. Its totient is φ = 204006850560.

The previous prime is 674030801659. The next prime is 674030801753. The reversal of 674030801664 is 466108030476.

It is a happy number.

674030801664 is a `hidden beast` number, since 6 + 7 + 403 + 0 + 80 + 166 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21704292 + ... + 21735324.

Almost surely, 2674030801664 is an apocalyptic number.

674030801664 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674030801664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1061305821576).

674030801664 is an abundant number, since it is smaller than the sum of its proper divisors (1448580841488).

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

674030801664 is a wasteful number, since it uses less digits than its factorization.

674030801664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31923 (or 31906 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 674030801664 in words is "six hundred seventy-four billion, thirty million, eight hundred one thousand, six hundred sixty-four".