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632620452672 = 26331322974699
BaseRepresentation
bin10010011010010110001…
…11100000101101000000
32020110220101222202011000
421031023013200231000
540331101313441142
61202342151452000
763463632060405
oct11151307405500
92213811882130
10632620452672
1122432483149a
12a2733387000
134786aba6a00
14228947362ac
15116c8a6714c
hex934b1e0b40

632620452672 has 336 divisors, whose sum is σ = 2083323240000. Its totient is φ = 187937777664.

The previous prime is 632620452661. The next prime is 632620452677. The reversal of 632620452672 is 276254026236.

632620452672 is a `hidden beast` number, since 6 + 32 + 6 + 20 + 4 + 526 + 72 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632620452677) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8431579 + ... + 8506277.

Almost surely, 2632620452672 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 632620452672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1041661620000).

632620452672 is an abundant number, since it is smaller than the sum of its proper divisors (1450702787328).

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

632620452672 is a wasteful number, since it uses less digits than its factorization.

632620452672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74775 (or 74746 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 45.

The spelling of 632620452672 in words is "six hundred thirty-two billion, six hundred twenty million, four hundred fifty-two thousand, six hundred seventy-two".