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631317149463 = 371121319111711
BaseRepresentation
bin10010010111111010110…
…11110011011100010111
32020100112120121002020210
421023331123303130113
540320414142240323
61202004553300503
763416425141530
oct11137533633427
92210476532223
10631317149463
11223816088500
12a242aa04733
13476c0b83390
14227ad5d5687
151164e423293
hex92fd6f3717

631317149463 has 48 divisors (see below), whose sum is σ = 1138752247808. Its totient is φ = 302729486400.

The previous prime is 631317149431. The next prime is 631317149473. The reversal of 631317149463 is 364941713136.

It is not a de Polignac number, because 631317149463 - 25 = 631317149431 is a prime.

It is a super-2 number, since 2×6313171494632 (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 (631317149473) 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, 9522823 + ... + 9588888.

Almost surely, 2631317149463 is an apocalyptic number.

631317149463 is a deficient number, since it is larger than the sum of its proper divisors (507435098345).

631317149463 is a wasteful number, since it uses less digits than its factorization.

631317149463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19111756 (or 19111745 counting only the distinct ones).

The product of its digits is 979776, while the sum is 48.

The spelling of 631317149463 in words is "six hundred thirty-one billion, three hundred seventeen million, one hundred forty-nine thousand, four hundred sixty-three".

Divisors: 1 3 7 11 13 21 33 39 77 91 121 143 231 273 363 429 847 1001 1573 2541 3003 4719 11011 33033 19111711 57335133 133781977 210228821 248452243 401345931 630686463 745356729 1471601747 1739165701 2312517031 2732974673 4414805241 5217497103 6937551093 8198924019 16187619217 19130822711 30062721403 48562857651 57392468133 90188164209 210439049821 631317149463