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630694952832 = 27372371138017
BaseRepresentation
bin10010010110110000101…
…10010011111110000000
32020021221012211012221010
421023120112103332000
540313130401442312
61201423125400520
763365131434300
oct11133026237600
92207835735833
10630694952832
11223526949a0a
12a2296569140
1347621cb55a9
1422750b11600
15116149bd93c
hex92d8593f80

630694952832 has 384 divisors, whose sum is σ = 2019433364640. Its totient is φ = 173755072512.

The previous prime is 630694952821. The next prime is 630694952843. The reversal of 630694952832 is 238259496036.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (630694952821) and next prime (630694952843).

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×6306949528322 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78665688 + ... + 78673704.

Almost surely, 2630694952832 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 630694952832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1009716682320).

630694952832 is an abundant number, since it is smaller than the sum of its proper divisors (1388738411808).

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

630694952832 is a wasteful number, since it uses less digits than its factorization.

630694952832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8198 (or 8179 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 57.

The spelling of 630694952832 in words is "six hundred thirty billion, six hundred ninety-four million, nine hundred fifty-two thousand, eight hundred thirty-two".