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11462475257 = 73157020209
BaseRepresentation
bin10101010110011011…
…10111110111111001
31002120211200002000122
422223031313313321
5141433343202012
65133224343025
7554023301132
oct125315676771
932524602018
1011462475257
1149522a5352
12227a914a75
1311089a174c
147aa498c89
15471493e72
hex2ab377df9

11462475257 has 4 divisors (see below), whose sum is σ = 11619495540. Its totient is φ = 11305454976.

The previous prime is 11462475239. The next prime is 11462475263. The reversal of 11462475257 is 75257426411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75257426411 = 211493558439.

It can be written as a sum of positive squares in 2 ways, for example, as 6791572921 + 4670902336 = 82411^2 + 68344^2 .

It is a cyclic number.

It is not a de Polignac number, because 11462475257 - 220 = 11461426681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11462475757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78510032 + ... + 78510177.

It is an arithmetic number, because the mean of its divisors is an integer number (2904873885).

Almost surely, 211462475257 is an apocalyptic number.

It is an amenable number.

11462475257 is a deficient number, since it is larger than the sum of its proper divisors (157020283).

11462475257 is an equidigital number, since it uses as much as digits as its factorization.

11462475257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157020282.

The product of its digits is 470400, while the sum is 44.

The spelling of 11462475257 in words is "eleven billion, four hundred sixty-two million, four hundred seventy-five thousand, two hundred fifty-seven".

Divisors: 1 73 157020209 11462475257