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12290149824 = 26367955391
BaseRepresentation
bin10110111001000110…
…01100110111000000
31011201112002022002020
423130203030313000
5200132234243244
65351312321440
7613363356411
oct133443146700
934645068066
1012290149824
115237518517
12246bb43280
13120b2c4004
14848389808
154bde85d19
hex2dc8ccdc0

12290149824 has 56 divisors (see below), whose sum is σ = 33003061248. Its totient is φ = 4035567360.

The previous prime is 12290149811. The next prime is 12290149903. The reversal of 12290149824 is 42894109221.

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, 464832 + ... + 490559.

Almost surely, 212290149824 is an apocalyptic number.

It is an amenable number.

12290149824 is an abundant number, since it is smaller than the sum of its proper divisors (20712911424).

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

12290149824 is an equidigital number, since it uses as much as digits as its factorization.

12290149824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955473 (or 955463 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 12290149824 in words is "twelve billion, two hundred ninety million, one hundred forty-nine thousand, eight hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 67 96 134 192 201 268 402 536 804 1072 1608 2144 3216 4288 6432 12864 955391 1910782 2866173 3821564 5732346 7643128 11464692 15286256 22929384 30572512 45858768 61145024 64011197 91717536 128022394 183435072 192033591 256044788 384067182 512089576 768134364 1024179152 1536268728 2048358304 3072537456 4096716608 6145074912 12290149824