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12851430630 = 235499858479
BaseRepresentation
bin10111111100000000…
…10100010011100110
31020011122020022121020
423332000110103212
5202304431240010
65523122432010
7633320233533
oct137600242346
936148208536
1012851430630
1154a5330055
1225a7b02606
13129a68402c
1489cb33d8a
155033a6470
hex2fe0144e6

12851430630 has 32 divisors (see below), whose sum is σ = 30905280000. Its totient is φ = 3420176352.

The previous prime is 12851430617. The next prime is 12851430643. The reversal of 12851430630 is 3603415821.

It is an interprime number because it is at equal distance from previous prime (12851430617) and next prime (12851430643).

It is a junction number, because it is equal to n+sod(n) for n = 12851430591 and 12851430600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414270 + ... + 444209.

It is an arithmetic number, because the mean of its divisors is an integer number (965790000).

Almost surely, 212851430630 is an apocalyptic number.

12851430630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12851430630 is an abundant number, since it is smaller than the sum of its proper divisors (18053849370).

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

12851430630 is a wasteful number, since it uses less digits than its factorization.

12851430630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858988.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 12851430630 in words is "twelve billion, eight hundred fifty-one million, four hundred thirty thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 499 998 1497 2495 2994 4990 7485 14970 858479 1716958 2575437 4292395 5150874 8584790 12877185 25754370 428381021 856762042 1285143063 2141905105 2570286126 4283810210 6425715315 12851430630