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12555269730090 = 23253735012
BaseRepresentation
bin1011011010110100000001…
…1001000110111100101010
31122110021100100001000100100
42312231000121012330222
53121201143022330330
642411451123250230
72434042200600243
oct266550031067452
948407310030310
1012555269730090
1140007294a158a
1214a9366519976
13700c59298c59
1431596d367cca
1516b8d0d80060
hexb6b40646f2a

12555269730090 has 36 divisors (see below), whose sum is σ = 32643788697702. Its totient is φ = 3348062964000.

The previous prime is 12555269730071. The next prime is 12555269730193. The reversal of 12555269730090 is 9003796255521.

12555269730090 is a `hidden beast` number, since 1 + 25 + 5 + 526 + 9 + 7 + 3 + 0 + 0 + 90 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 4877953714881 + 7677316015209 = 2208609^2 + 2770797^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 33428340 + ... + 33801840.

Almost surely, 212555269730090 is an apocalyptic number.

12555269730090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12555269730090 is an abundant number, since it is smaller than the sum of its proper divisors (20088518967612).

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

12555269730090 is an frugal number, since it uses more digits than its factorization.

12555269730090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747015 (or 373511 counting only the distinct ones).

The product of its (nonzero) digits is 5103000, while the sum is 54.

The spelling of 12555269730090 in words is "twelve trillion, five hundred fifty-five billion, two hundred sixty-nine million, seven hundred thirty thousand, ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 373501 747002 1120503 1867505 2241006 3361509 3735010 5602515 6723018 11205030 16807545 33615090 139502997001 279005994002 418508991003 697514985005 837017982006 1255526973009 1395029970010 2092544955015 2511053946018 4185089910030 6277634865045 12555269730090