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12745383357 = 37606923017
BaseRepresentation
bin10111101111010111…
…10001110110111101
31012220020200120002110
423313223301312331
5202100304231412
65504413444233
7630561654030
oct136753616675
935806616073
1012745383357
115450489183
1225784a0679
131281703b75
1488ca0b017
154e8e09d3c
hex2f7af1dbd

12745383357 has 8 divisors (see below), whose sum is σ = 19421536576. Its totient is φ = 7283076192.

The previous prime is 12745383347. The next prime is 12745383359. The reversal of 12745383357 is 75338354721.

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

It is not a de Polignac number, because 12745383357 - 210 = 12745382333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12745383359) 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, 303461488 + ... + 303461529.

It is an arithmetic number, because the mean of its divisors is an integer number (2427692072).

Almost surely, 212745383357 is an apocalyptic number.

It is an amenable number.

12745383357 is a deficient number, since it is larger than the sum of its proper divisors (6676153219).

12745383357 is an equidigital number, since it uses as much as digits as its factorization.

12745383357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606923027.

The product of its digits is 2116800, while the sum is 48.

The spelling of 12745383357 in words is "twelve billion, seven hundred forty-five million, three hundred eighty-three thousand, three hundred fifty-seven".

Divisors: 1 3 7 21 606923017 1820769051 4248461119 12745383357