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12630317518 = 2721317583171
BaseRepresentation
bin10111100001101001…
…10101100111001110
31012121020011121102201
423300310311213032
5201331330130033
65445143312114
7624663633100
oct136064654716
935536147381
1012630317518
1153a1537545
122545a4b63a
131263916a80
1487b617570
154ddc7b47d
hex2f0d359ce

12630317518 has 48 divisors (see below), whose sum is σ = 25130047824. Its totient is φ = 4702682880.

The previous prime is 12630317509. The next prime is 12630317527. The reversal of 12630317518 is 81571303621.

It is an interprime number because it is at equal distance from previous prime (12630317509) and next prime (12630317527).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 269928 + ... + 313243.

It is an arithmetic number, because the mean of its divisors is an integer number (523542663).

Almost surely, 212630317518 is an apocalyptic number.

12630317518 is a deficient number, since it is larger than the sum of its proper divisors (12499730306).

12630317518 is a wasteful number, since it uses less digits than its factorization.

12630317518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583217 (or 583210 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 12630317518 in words is "twelve billion, six hundred thirty million, three hundred seventeen thousand, five hundred eighteen".

Divisors: 1 2 7 13 14 17 26 34 49 91 98 119 182 221 238 442 637 833 1274 1547 1666 3094 10829 21658 583171 1166342 4082197 7581223 8164394 9913907 15162446 19827814 28575379 53068561 57150758 69397349 106137122 128880791 138794698 257761582 371479927 485781443 742959854 902165537 971562886 1804331074 6315158759 12630317518