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12232520580 = 2235729125049
BaseRepresentation
bin10110110010001110…
…10111001110000100
31011120111122102121210
423121013113032010
5200023011124310
65341453211420
7612063465210
oct133107271604
934514572553
1012232520580
115207a36845
122454790b70
1311cc397177
14840867940
154b8da0820
hex2d91d7384

12232520580 has 48 divisors (see below), whose sum is σ = 39144067200. Its totient is φ = 2796004608.

The previous prime is 12232520567. The next prime is 12232520591. The reversal of 12232520580 is 8502523221.

12232520580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14562105 + ... + 14562944.

It is an arithmetic number, because the mean of its divisors is an integer number (815501400).

Almost surely, 212232520580 is an apocalyptic number.

12232520580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12232520580 is an abundant number, since it is smaller than the sum of its proper divisors (26911546620).

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

12232520580 is a wasteful number, since it uses less digits than its factorization.

12232520580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29125068 (or 29125066 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 12232520580 in words is "twelve billion, two hundred thirty-two million, five hundred twenty thousand, five hundred eighty".

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 29125049 58250098 87375147 116500196 145625245 174750294 203875343 291250490 349500588 407750686 436875735 582500980 611626029 815501372 873751470 1019376715 1223252058 1747502940 2038753430 2446504116 3058130145 4077506860 6116260290 12232520580