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12312301232 = 2471147212633
BaseRepresentation
bin10110111011101111…
…01100111010110000
31011210001202201002202
423131313230322300
5200203422114412
65353423202332
7614052555650
oct133567547260
934701681082
1012312301232
115248a78170
1224774463a8
131212a7b75a
1484b2b4360
154c0dae3c2
hex2dddeceb0

12312301232 has 80 divisors (see below), whose sum is σ = 30374341632. Its totient is φ = 4694914560.

The previous prime is 12312301213. The next prime is 12312301301. The reversal of 12312301232 is 23210321321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48413 + ... + 164220.

Almost surely, 212312301232 is an apocalyptic number.

It is an amenable number.

12312301232 is an abundant number, since it is smaller than the sum of its proper divisors (18062040400).

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

12312301232 is a wasteful number, since it uses less digits than its factorization.

12312301232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212706 (or 212700 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12312301232 its reverse (23210321321), we get a palindrome (35522622553).

The spelling of 12312301232 in words is "twelve billion, three hundred twelve million, three hundred one thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 11 14 16 22 28 44 47 56 77 88 94 112 154 176 188 308 329 376 517 616 658 752 1034 1232 1316 2068 2632 3619 4136 5264 7238 8272 14476 28952 57904 212633 425266 850532 1488431 1701064 2338963 2976862 3402128 4677926 5953724 9355852 9993751 11907448 16372741 18711704 19987502 23814896 32745482 37423408 39975004 65490964 69956257 79950008 109931261 130981928 139912514 159900016 219862522 261963856 279825028 439725044 559650056 769518827 879450088 1119300112 1539037654 1758900176 3078075308 6156150616 12312301232