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628725768000 = 26353114750671
BaseRepresentation
bin10010010011000101111…
…10011101111101000000
32020002211222110021011120
421021202332131331000
540300112244034000
61200455503112240
763265260564531
oct11114276357500
92202758407146
10628725768000
1122270633a230
12a1a26ba2680
134739a03a275
1422605398688
151154bb966a0
hex9262f9df40

628725768000 has 448 divisors, whose sum is σ = 2313017081856. Its totient is φ = 149172480000.

The previous prime is 628725767963. The next prime is 628725768001. The reversal of 628725768000 is 867527826.

It is a happy number.

628725768000 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628725768001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12382665 + ... + 12433335.

Almost surely, 2628725768000 is an apocalyptic number.

628725768000 is a gapful number since it is divisible by the number (60) 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 628725768000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1156508540928).

628725768000 is an abundant number, since it is smaller than the sum of its proper divisors (1684291313856).

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

628725768000 is a wasteful number, since it uses less digits than its factorization.

628725768000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50759 (or 50739 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 628725768000 in words is "six hundred twenty-eight billion, seven hundred twenty-five million, seven hundred sixty-eight thousand".