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2135131160 = 23553378279
BaseRepresentation
bin111111101000011…
…1000010000011000
312111210121220022212
41333100320100120
513333043144120
6551511134252
7103624213121
oct17720702030
95453556285
102135131160
119a6253708
124b7074388
1328046b526
141637d3048
15c76a66c5
hex7f438418

2135131160 has 16 divisors (see below), whose sum is σ = 4804045200. Its totient is φ = 854052448.

The previous prime is 2135131151. The next prime is 2135131189. The reversal of 2135131160 is 611315312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26689100 + ... + 26689179.

It is an arithmetic number, because the mean of its divisors is an integer number (300252825).

Almost surely, 22135131160 is an apocalyptic number.

2135131160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2135131160 is an abundant number, since it is smaller than the sum of its proper divisors (2668914040).

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

2135131160 is a wasteful number, since it uses less digits than its factorization.

2135131160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53378290 (or 53378286 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 2135131160 is about 46207.4794811403. The cubic root of 2135131160 is about 1287.6806993056.

Adding to 2135131160 its reverse (611315312), we get a palindrome (2746446472).

The spelling of 2135131160 in words is "two billion, one hundred thirty-five million, one hundred thirty-one thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 53378279 106756558 213513116 266891395 427026232 533782790 1067565580 2135131160