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5641382931 = 31880460977
BaseRepresentation
bin1010100000100000…
…01010110000010011
3112120011020221112120
411100100022300103
543023143223211
62331442225323
7256540651362
oct52020126023
915504227476
105641382931
112435460548
121115355243
136bb9b6612
143b733b7d9
152303ead06
hex15040ac13

5641382931 has 4 divisors (see below), whose sum is σ = 7521843912. Its totient is φ = 3760921952.

The previous prime is 5641382897. The next prime is 5641382941. The reversal of 5641382931 is 1392831465.

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

It is a cyclic number.

It is not a de Polignac number, because 5641382931 - 217 = 5641251859 is a prime.

It is a super-2 number, since 2×56413829312 = 63650402748356301522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5641382941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 940230486 + ... + 940230491.

It is an arithmetic number, because the mean of its divisors is an integer number (1880460978).

Almost surely, 25641382931 is an apocalyptic number.

5641382931 is a deficient number, since it is larger than the sum of its proper divisors (1880460981).

5641382931 is a wasteful number, since it uses less digits than its factorization.

5641382931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880460980.

The product of its digits is 155520, while the sum is 42.

The square root of 5641382931 is about 75109.1401295475. The cubic root of 5641382931 is about 1780.1715664912.

The spelling of 5641382931 in words is "five billion, six hundred forty-one million, three hundred eighty-two thousand, nine hundred thirty-one".

Divisors: 1 3 1880460977 5641382931