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5120019613 = 311095692663
BaseRepresentation
bin1001100010010110…
…10100110010011101
3111012211012221112001
410301023110302131
540441211111423
62204015442301
7240610306612
oct46113246235
914184187461
105120019613
112198132575
12baa826391
13637991707
14367dc4509
151ee762cad
hex1312d4c9d

5120019613 has 16 divisors (see below), whose sum is σ = 5345049600. Its totient is φ = 4898931840.

The previous prime is 5120019599. The next prime is 5120019617. The reversal of 5120019613 is 3169100215.

It is a cyclic number.

It is not a de Polignac number, because 5120019613 - 29 = 5120019101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5120019617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1921320 + ... + 1923982.

It is an arithmetic number, because the mean of its divisors is an integer number (334065600).

Almost surely, 25120019613 is an apocalyptic number.

It is an amenable number.

5120019613 is a deficient number, since it is larger than the sum of its proper divisors (225029987).

5120019613 is a wasteful number, since it uses less digits than its factorization.

5120019613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3372.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 5120019613 is about 71554.3123298659. The cubic root of 5120019613 is about 1723.5499528002.

Adding to 5120019613 its reverse (3169100215), we get a palindrome (8289119828).

The spelling of 5120019613 in words is "five billion, one hundred twenty million, nineteen thousand, six hundred thirteen".

Divisors: 1 31 109 569 2663 3379 17639 62021 82553 290267 1515247 1922651 8998277 46972657 165161923 5120019613