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2136874590 = 2325122919319
BaseRepresentation
bin111111101011110…
…0001111001011110
312111220220110212100
41333113201321132
513334014441330
6552012345530
7103645064034
oct17727417136
95456813770
102136874590
119a7234564
124b77752a6
1328092bc46
14163b28554
15c78ed060
hex7f5e1e5e

2136874590 has 48 divisors (see below), whose sum is σ = 5560682400. Its totient is φ = 569340096.

The previous prime is 2136874573. The next prime is 2136874601. The reversal of 2136874590 is 954786312.

2136874590 is a `hidden beast` number, since 21 + 36 + 8 + 7 + 4 + 590 = 666.

2136874590 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

2136874590 is strictly pandigital in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100951 + ... + 120269.

It is an arithmetic number, because the mean of its divisors is an integer number (115847550).

It is a 1-persistent number, because it is pandigital, but 2⋅2136874590 = 4273749180 is not.

Almost surely, 22136874590 is an apocalyptic number.

2136874590 is an abundant number, since it is smaller than the sum of its proper divisors (3423807810).

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

2136874590 is a wasteful number, since it uses less digits than its factorization.

2136874590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20561 (or 20558 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 2136874590 is about 46226.3408675184. The cubic root of 2136874590 is about 1288.0310868974.

The spelling of 2136874590 in words is "two billion, one hundred thirty-six million, eight hundred seventy-four thousand, five hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1229 2458 3687 6145 7374 11061 12290 18435 19319 22122 36870 38638 55305 57957 96595 110610 115914 173871 193190 289785 347742 579570 869355 1738710 23743051 47486102 71229153 118715255 142458306 213687459 237430510 356145765 427374918 712291530 1068437295 2136874590