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11031407497 = 11291168657
BaseRepresentation
bin10100100011000010…
…11110101110001001
31001110210112120020001
422101201132232021
5140043020014442
65022345203001
7540240262615
oct122141365611
931423476201
1011031407497
114750a3a800
12217a490461
13106a5a3176
14769128345
154486e52b7
hex29185eb89

11031407497 has 6 divisors (see below), whose sum is σ = 12125431514. Its totient is φ = 10028552160.

The previous prime is 11031407473. The next prime is 11031407501. The reversal of 11031407497 is 79470413011.

It can be written as a sum of positive squares in only one way, i.e., 6959563776 + 4071843721 = 83424^2 + 63811^2 .

It is not a de Polignac number, because 11031407497 - 215 = 11031374729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11031407417) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45584208 + ... + 45584449.

Almost surely, 211031407497 is an apocalyptic number.

It is an amenable number.

11031407497 is a deficient number, since it is larger than the sum of its proper divisors (1094024017).

11031407497 is an equidigital number, since it uses as much as digits as its factorization.

11031407497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91168679 (or 91168668 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 37.

The spelling of 11031407497 in words is "eleven billion, thirty-one million, four hundred seven thousand, four hundred ninety-seven".

Divisors: 1 11 121 91168657 1002855227 11031407497