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5120019612 = 223373964151
BaseRepresentation
bin1001100010010110…
…10100110010011100
3111012211012221112000
410301023110302130
540441211111422
62204015442300
7240610306611
oct46113246234
914184187460
105120019612
112198132574
12baa826390
13637991706
14367dc4508
151ee762cac
hex1312d4c9c

5120019612 has 48 divisors (see below), whose sum is σ = 13292294400. Its totient is φ = 1704337200.

The previous prime is 5120019599. The next prime is 5120019617. The reversal of 5120019612 is 2169100215.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 47737 + ... + 111887.

It is an arithmetic number, because the mean of its divisors is an integer number (276922800).

Almost surely, 25120019612 is an apocalyptic number.

It is an amenable number.

5120019612 is an abundant number, since it is smaller than the sum of its proper divisors (8172274788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5120019612 is a wasteful number, since it uses less digits than its factorization.

5120019612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64903 (or 64895 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 5120019612 is about 71554.3123228782. The cubic root of 5120019612 is about 1723.5499526880.

Adding to 5120019612 its reverse (2169100215), we get a palindrome (7289119827).

The spelling of 5120019612 in words is "five billion, one hundred twenty million, nineteen thousand, six hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 739 1478 2217 2956 4434 6651 8868 13302 19953 26604 39906 64151 79812 128302 192453 256604 384906 577359 769812 1154718 1732077 2309436 3464154 6928308 47407589 94815178 142222767 189630356 284445534 426668301 568891068 853336602 1280004903 1706673204 2560009806 5120019612