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8311000001137 = 17774676983681
BaseRepresentation
bin111100011110000111000…
…1100111110101001110001
31002102112010212202101101221
41320330032030332221301
52042131412000014022
625402004245225041
71515310220261011
oct170741614765161
932375125671357
108311000001137
112714747919169
12b22889102181
1348395464aa82
1420a37c691c41
15e62c51b3cc7
hex78f0e33ea71

8311000001137 has 4 divisors (see below), whose sum is σ = 8315676986596. Its totient is φ = 8306323015680.

The previous prime is 8311000001063. The next prime is 8311000001147. The reversal of 8311000001137 is 7311000001138.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6352033064976 + 1958966936161 = 2520324^2 + 1399631^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8311000001137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8311000001147) 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, 2338490064 + ... + 2338493617.

It is an arithmetic number, because the mean of its divisors is an integer number (2078919246649).

Almost surely, 28311000001137 is an apocalyptic number.

It is an amenable number.

8311000001137 is a deficient number, since it is larger than the sum of its proper divisors (4676985459).

8311000001137 is a wasteful number, since it uses less digits than its factorization.

8311000001137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4676985458.

The product of its (nonzero) digits is 504, while the sum is 25.

Subtracting from 8311000001137 its reverse (7311000001138), we obtain a palindrome (999999999999).

The spelling of 8311000001137 in words is "eight trillion, three hundred eleven billion, one thousand, one hundred thirty-seven".

Divisors: 1 1777 4676983681 8311000001137