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5215129884 = 2232151959369
BaseRepresentation
bin1001101101101100…
…01001000100011100
3111110110012001021200
410312312021010130
541140033124014
62221254155500
7243143605206
oct46666110434
914413161250
105215129884
1122368942a8
121016652b90
136515b2693
143768a1776
15207c9da09
hex136d8911c

5215129884 has 36 divisors (see below), whose sum is σ = 13270005840. Its totient is φ = 1726862400.

The previous prime is 5215129847. The next prime is 5215129903. The reversal of 5215129884 is 4889215125.

5215129884 is a `hidden beast` number, since 52 + 1 + 512 + 9 + 8 + 84 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 474249 + ... + 485120.

Almost surely, 25215129884 is an apocalyptic number.

It is an amenable number.

5215129884 is an abundant number, since it is smaller than the sum of its proper divisors (8054875956).

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

5215129884 is a wasteful number, since it uses less digits than its factorization.

5215129884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959530 (or 959525 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The square root of 5215129884 is about 72215.8561813124. The cubic root of 5215129884 is about 1734.1568525473.

The spelling of 5215129884 in words is "five billion, two hundred fifteen million, one hundred twenty-nine thousand, eight hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 36 151 302 453 604 906 1359 1812 2718 5436 959369 1918738 2878107 3837476 5756214 8634321 11512428 17268642 34537284 144864719 289729438 434594157 579458876 869188314 1303782471 1738376628 2607564942 5215129884