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12137298240 = 2635171096823
BaseRepresentation
bin10110100110111000…
…00111100101000000
31011022212110122010110
423103130013211000
5144324122020430
65324212231320
7606526222104
oct132334074500
934285418113
1012137298240
1151692088a1
12242890b540
1311b57371a2
14831d5b904
154b08417b0
hex2d3707940

12137298240 has 224 divisors, whose sum is σ = 41183112960. Its totient is φ = 3017834496.

The previous prime is 12137298209. The next prime is 12137298263. The reversal of 12137298240 is 4289273121.

It is a congruent number.

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, 1775469 + ... + 1782291.

Almost surely, 212137298240 is an apocalyptic number.

12137298240 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 12137298240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20591556480).

12137298240 is an abundant number, since it is smaller than the sum of its proper divisors (29045814720).

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

12137298240 is a wasteful number, since it uses less digits than its factorization.

12137298240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6969 (or 6959 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 12137298240 in words is "twelve billion, one hundred thirty-seven million, two hundred ninety-eight thousand, two hundred forty".