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12735233312 = 25397976041
BaseRepresentation
bin10111101110001010…
…00011110100100000
31012212112120212211212
423313011003310200
5202040204431222
65503412125252
7630406461044
oct136705036440
935775525755
1012735233312
11544578630a
122575006828
13127c58bc19
1488b528024
154e80a26e2
hex2f7143d20

12735233312 has 12 divisors (see below), whose sum is σ = 25072490646. Its totient is φ = 6367616640.

The previous prime is 12735233299. The next prime is 12735233359. The reversal of 12735233312 is 21333253721.

It can be written as a sum of positive squares in only one way, i.e., 11803518736 + 931714576 = 108644^2 + 30524^2 .

It is a super-2 number, since 2×127352333122 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 397976041 = 12735233312 / (1 + 2 + 7 + 3 + 5 + 2 + 3 + 3 + 3 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198987989 + ... + 198988052.

Almost surely, 212735233312 is an apocalyptic number.

It is an amenable number.

12735233312 is a deficient number, since it is larger than the sum of its proper divisors (12337257334).

12735233312 is an equidigital number, since it uses as much as digits as its factorization.

12735233312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397976051 (or 397976043 counting only the distinct ones).

The product of its digits is 22680, while the sum is 32.

The spelling of 12735233312 in words is "twelve billion, seven hundred thirty-five million, two hundred thirty-three thousand, three hundred twelve".

Divisors: 1 2 4 8 16 32 397976041 795952082 1591904164 3183808328 6367616656 12735233312