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5105506361 = 13138973331
BaseRepresentation
bin1001100000100111…
…11101100000111001
3111011210220121002012
410300103331200321
540424002200421
62202340415305
7240343042124
oct46023754071
914153817065
105105506361
11218aa1a54a
12ba59a7535
1363497c7a7
143660c73bb
151ed34795b
hex1304fd839

5105506361 has 4 divisors (see below), whose sum is σ = 5144479824. Its totient is φ = 5066532900.

The previous prime is 5105506331. The next prime is 5105506381. The reversal of 5105506361 is 1636055015.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5105506361 - 210 = 5105505337 is a prime.

It is a super-2 number, since 2×51055063612 = 52132390404422924642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5105506331) 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, 19486535 + ... + 19486796.

It is an arithmetic number, because the mean of its divisors is an integer number (1286119956).

Almost surely, 25105506361 is an apocalyptic number.

It is an amenable number.

5105506361 is a deficient number, since it is larger than the sum of its proper divisors (38973463).

5105506361 is a wasteful number, since it uses less digits than its factorization.

5105506361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38973462.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 5105506361 is about 71452.8261232542. The cubic root of 5105506361 is about 1721.9198817427.

The spelling of 5105506361 in words is "five billion, one hundred five million, five hundred six thousand, three hundred sixty-one".

Divisors: 1 131 38973331 5105506361