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5218246631 = 132291064731
BaseRepresentation
bin1001101110000100…
…00001111111100111
3111110200001101122202
410313002001333213
541141332343011
62221445045115
7243212236013
oct46702017747
914420041582
105218246631
112238622a24
1210176b679b
13652134200
14377073543
152081b723b
hex137081fe7

5218246631 has 12 divisors (see below), whose sum is σ = 5845378680. Its totient is φ = 4650740640.

The previous prime is 5218246619. The next prime is 5218246651. The reversal of 5218246631 is 1366428125.

It is a de Polignac number, because none of the positive numbers 2k-5218246631 is a prime.

It is a super-2 number, since 2×52182466312 = 54460195803885700322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5218246651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 527465 + ... + 537266.

It is an arithmetic number, because the mean of its divisors is an integer number (487114890).

Almost surely, 25218246631 is an apocalyptic number.

5218246631 is a deficient number, since it is larger than the sum of its proper divisors (627132049).

5218246631 is a wasteful number, since it uses less digits than its factorization.

5218246631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064786 (or 1064773 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 5218246631 is about 72237.4323394734. The cubic root of 5218246631 is about 1734.5022483424.

The spelling of 5218246631 in words is "five billion, two hundred eighteen million, two hundred forty-six thousand, six hundred thirty-one".

Divisors: 1 13 29 169 377 4901 1064731 13841503 30877199 179939539 401403587 5218246631