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12281140848 = 2432511019351
BaseRepresentation
bin10110111000000001…
…10101011001110000
31011200220010121002110
423130000311121300
5200122433001343
65350351245320
7613223655234
oct133400653160
934626117073
1012281140848
115232424989
122468b19840
13120948b562
148470c25c4
154bd2a6833
hex2dc035670

12281140848 has 40 divisors (see below), whose sum is σ = 31852711296. Its totient is φ = 4077400000.

The previous prime is 12281140829. The next prime is 12281140871. The reversal of 12281140848 is 84804118221.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497628 + ... + 521723.

Almost surely, 212281140848 is an apocalyptic number.

It is an amenable number.

12281140848 is an abundant number, since it is smaller than the sum of its proper divisors (19571570448).

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

12281140848 is a wasteful number, since it uses less digits than its factorization.

12281140848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019613 (or 1019607 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 39.

The spelling of 12281140848 in words is "twelve billion, two hundred eighty-one million, one hundred forty thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 251 502 753 1004 1506 2008 3012 4016 6024 12048 1019351 2038702 3058053 4077404 6116106 8154808 12232212 16309616 24464424 48928848 255857101 511714202 767571303 1023428404 1535142606 2046856808 3070285212 4093713616 6140570424 12281140848