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12745011153 = 37606905293
BaseRepresentation
bin10111101111010100…
…10110111111010001
31012220012222122112010
423313222112333101
5202100210324103
65504401453133
7630555543630
oct136752267721
935805878463
1012745011153
115450254576
1225783411a9
131281603624
1488c951517
154e8d84903
hex2f7a96fd1

12745011153 has 8 divisors (see below), whose sum is σ = 19420969408. Its totient is φ = 7282863504.

The previous prime is 12745011151. The next prime is 12745011179. The reversal of 12745011153 is 35111054721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12745011153 - 21 = 12745011151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12745011153.

It is not an unprimeable number, because it can be changed into a prime (12745011151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303452626 + ... + 303452667.

It is an arithmetic number, because the mean of its divisors is an integer number (2427621176).

Almost surely, 212745011153 is an apocalyptic number.

It is an amenable number.

12745011153 is a deficient number, since it is larger than the sum of its proper divisors (6675958255).

12745011153 is an equidigital number, since it uses as much as digits as its factorization.

12745011153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606905303.

The product of its (nonzero) digits is 4200, while the sum is 30.

Adding to 12745011153 its reverse (35111054721), we get a palindrome (47856065874).

The spelling of 12745011153 in words is "twelve billion, seven hundred forty-five million, eleven thousand, one hundred fifty-three".

Divisors: 1 3 7 21 606905293 1820715879 4248337051 12745011153