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631263750132 = 223378053176551
BaseRepresentation
bin10010010111110100100…
…00000110011111110100
32020100101212010010010210
421023322100012133310
540320312010001012
61201555404545420
763415206225411
oct11137220063764
92210355103123
10631263750132
11223798a25824
12a2414b52270
13476b2aa7942
14227a6495108
15116498c623c
hex92fa4067f4

631263750132 has 48 divisors (see below), whose sum is σ = 1512954595712. Its totient is φ = 204707606400.

The previous prime is 631263750121. The next prime is 631263750137. The reversal of 631263750132 is 231057362136.

631263750132 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 super-2 number, since 2×6312637501322 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631263750137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3487257 + ... + 3663807.

Almost surely, 2631263750132 is an apocalyptic number.

It is an amenable number.

631263750132 is an abundant number, since it is smaller than the sum of its proper divisors (881690845580).

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

631263750132 is a wasteful number, since it uses less digits than its factorization.

631263750132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184648 (or 184646 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 39.

The spelling of 631263750132 in words is "six hundred thirty-one billion, two hundred sixty-three million, seven hundred fifty thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 8053 16106 24159 32212 48318 96636 176551 297961 353102 529653 595922 706204 893883 1059306 1191844 1787766 2118612 3575532 6532387 13064774 19597161 26129548 39194322 78388644 1421765203 2843530406 4265295609 5687060812 8530591218 17061182436 52605312511 105210625022 157815937533 210421250044 315631875066 631263750132