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5115493869 = 31705164623
BaseRepresentation
bin1001100001110100…
…00011110111101101
3111012111201000100220
410300322003313231
540434031300434
62203334441553
7240523660203
oct46072036755
914174630326
105115493869
112195621292
12ba92032b9
13636a68765
14367567073
151ee16bd49
hex130e83ded

5115493869 has 4 divisors (see below), whose sum is σ = 6820658496. Its totient is φ = 3410329244.

The previous prime is 5115493843. The next prime is 5115493883. The reversal of 5115493869 is 9683945115.

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 5115493869 - 27 = 5115493741 is a prime.

It is a super-2 number, since 2×51154938692 = 52336555047553178322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5115493169) 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, 852582309 + ... + 852582314.

It is an arithmetic number, because the mean of its divisors is an integer number (1705164624).

Almost surely, 25115493869 is an apocalyptic number.

It is an amenable number.

5115493869 is a deficient number, since it is larger than the sum of its proper divisors (1705164627).

5115493869 is a wasteful number, since it uses less digits than its factorization.

5115493869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705164626.

The product of its digits is 1166400, while the sum is 51.

The square root of 5115493869 is about 71522.6808012675. The cubic root of 5115493869 is about 1723.0419700254.

The spelling of 5115493869 in words is "five billion, one hundred fifteen million, four hundred ninety-three thousand, eight hundred sixty-nine".

Divisors: 1 3 1705164623 5115493869