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12620807347260 = 2235730049541303
BaseRepresentation
bin1011011110101000001010…
…1111010001110000111100
31122200112111202121220202210
42313222002233101300330
53123234403140103020
642501530250020420
72441552241261360
oct267520257216074
948615452556683
1012620807347260
1140264aa7a6362
1214b9bb6a17710
137071a207ab98
14318bc94672a0
1516d4698333e0
hexb7a82bd1c3c

12620807347260 has 48 divisors (see below), whose sum is σ = 40386583512576. Its totient is φ = 2884755964992.

The previous prime is 12620807347199. The next prime is 12620807347271. The reversal of 12620807347260 is 6274370802621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15024770232 + ... + 15024771071.

It is an arithmetic number, because the mean of its divisors is an integer number (841387156512).

Almost surely, 212620807347260 is an apocalyptic number.

12620807347260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12620807347260 is an abundant number, since it is smaller than the sum of its proper divisors (27765776165316).

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

12620807347260 is a wasteful number, since it uses less digits than its factorization.

12620807347260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30049541322 (or 30049541320 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 12620807347260 in words is "twelve trillion, six hundred twenty billion, eight hundred seven million, three hundred forty-seven thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 30049541303 60099082606 90148623909 120198165212 150247706515 180297247818 210346789121 300495413030 360594495636 420693578242 450743119545 600990826060 631040367363 841387156484 901486239090 1051733945605 1262080734726 1802972478180 2103467891210 2524161469452 3155201836815 4206935782420 6310403673630 12620807347260