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12955898730 = 2351741619603
BaseRepresentation
bin11000001000011101…
…10101001101101010
31020102220210211220010
430010032311031222
5203013202224410
65541333512350
7636026215335
oct140416651552
936386724803
1012955898730
1155492a3525
122616aa26b6
1312b6200488
148ac96961c
1550c63ec20
hex3043b536a

12955898730 has 64 divisors (see below), whose sum is σ = 33726284928. Its totient is φ = 3172362240.

The previous prime is 12955898719. The next prime is 12955898773. The reversal of 12955898730 is 3789855921.

It is a super-2 number, since 2×129558987302 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 288892 + ... + 330711.

It is an arithmetic number, because the mean of its divisors is an integer number (526973202).

Almost surely, 212955898730 is an apocalyptic number.

12955898730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12955898730 is an abundant number, since it is smaller than the sum of its proper divisors (20770386198).

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

12955898730 is a wasteful number, since it uses less digits than its factorization.

12955898730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619671.

The product of its (nonzero) digits is 5443200, while the sum is 57.

The spelling of 12955898730 in words is "twelve billion, nine hundred fifty-five million, eight hundred ninety-eight thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 41 51 82 85 102 123 170 205 246 255 410 510 615 697 1230 1394 2091 3485 4182 6970 10455 20910 619603 1239206 1858809 3098015 3717618 6196030 9294045 10533251 18588090 21066502 25403723 31599753 50807446 52666255 63199506 76211169 105332510 127018615 152422338 157998765 254037230 315997530 381055845 431863291 762111690 863726582 1295589873 2159316455 2591179746 4318632910 6477949365 12955898730