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12745599472 = 243457230431
BaseRepresentation
bin10111101111011001…
…00110100111110000
31012220021002112112201
423313230212213300
5202100333140342
65504422232544
7630563544064
oct136754464760
935807075481
1012745599472
115450616591
122578585754
13128177b348
1488ca65aa4
154e8e4ddb7
hex2f7b269f0

12745599472 has 20 divisors (see below), whose sum is σ = 24701849536. Its totient is φ = 6370928640.

The previous prime is 12745599467. The next prime is 12745599473. The reversal of 12745599472 is 27499554721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12745599473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59904 + ... + 170527.

Almost surely, 212745599472 is an apocalyptic number.

It is an amenable number.

12745599472 is a deficient number, since it is larger than the sum of its proper divisors (11956250064).

12745599472 is a wasteful number, since it uses less digits than its factorization.

12745599472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233896 (or 233890 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 55.

The spelling of 12745599472 in words is "twelve billion, seven hundred forty-five million, five hundred ninety-nine thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 3457 6914 13828 27656 55312 230431 460862 921724 1843448 3686896 796599967 1593199934 3186399868 6372799736 12745599472