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12855700000 = 255511132931
BaseRepresentation
bin10111111100100001…
…00110101000100000
31020011221021020002001
423332100212220200
5202312024400000
65523354133344
7633401434633
oct137620465040
936157236061
1012855700000
1154a7786760
1225a9421254
13129b51a3a0
1489d525c1a
1550394b46a
hex2fe426a20

12855700000 has 576 divisors, whose sum is σ = 39687459840. Its totient is φ = 4032000000.

The previous prime is 12855699979. The next prime is 12855700021. The reversal of 12855700000 is 755821.

It is an interprime number because it is at equal distance from previous prime (12855699979) and next prime (12855700021).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 414699985 + ... + 414700015.

It is an arithmetic number, because the mean of its divisors is an integer number (68901840).

Almost surely, 212855700000 is an apocalyptic number.

12855700000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12855700000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19843729920).

12855700000 is an abundant number, since it is smaller than the sum of its proper divisors (26831759840).

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

12855700000 is a wasteful number, since it uses less digits than its factorization.

12855700000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The spelling of 12855700000 in words is "twelve billion, eight hundred fifty-five million, seven hundred thousand".