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12252712283 = 72321011812
BaseRepresentation
bin10110110100101000…
…11000110101011011
31011121220122021102122
423122110120311123
5200043143243113
65343454051455
7612430223150
oct133224306533
934556567378
1012252712283
1152183780a9
12245b4a9b8b
131203616916
14843402227
154baa3d408
hex2da518d5b

12252712283 has 36 divisors (see below), whose sum is σ = 14865462864. Its totient is φ = 9891288000.

The previous prime is 12252712261. The next prime is 12252712313. The reversal of 12252712283 is 38221725221.

It is not a de Polignac number, because 12252712283 - 212 = 12252708187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12252712183) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 67694453 + ... + 67694633.

It is an arithmetic number, because the mean of its divisors is an integer number (412929524).

Almost surely, 212252712283 is an apocalyptic number.

12252712283 is a deficient number, since it is larger than the sum of its proper divisors (2612750581).

12252712283 is an equidigital number, since it uses as much as digits as its factorization.

12252712283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 312 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The spelling of 12252712283 in words is "twelve billion, two hundred fifty-two million, seven hundred twelve thousand, two hundred eighty-three".

Divisors: 1 7 23 101 161 181 529 707 1267 2323 3703 4163 16261 18281 29141 32761 53429 95749 127967 229327 374003 420463 670243 753503 2943241 3308861 5274521 9670649 17330569 23162027 67694543 76103803 121313983 532726621 1750387469 12252712283