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2135807570 = 251343138119
BaseRepresentation
bin111111101001101…
…1101011001010010
312111211220021012002
41333103131121102
513333231320240
6551533434002
7103633031141
oct17723353122
95454807162
102135807570
119a6675926
124b733b902
13280647380
1416392b758
15c778bd15
hex7f4dd652

2135807570 has 32 divisors (see below), whose sum is σ = 4149895680. Its totient is φ = 786755520.

The previous prime is 2135807561. The next prime is 2135807599. The reversal of 2135807570 is 757085312.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36971 + ... + 75089.

It is an arithmetic number, because the mean of its divisors is an integer number (129684240).

Almost surely, 22135807570 is an apocalyptic number.

2135807570 is a deficient number, since it is larger than the sum of its proper divisors (2014088110).

2135807570 is a wasteful number, since it uses less digits than its factorization.

2135807570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38570.

The product of its (nonzero) digits is 58800, while the sum is 38.

The square root of 2135807570 is about 46214.7981711486. The cubic root of 2135807570 is about 1287.8166641207.

The spelling of 2135807570 in words is "two billion, one hundred thirty-five million, eight hundred seven thousand, five hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 431 862 2155 4310 5603 11206 28015 38119 56030 76238 190595 381190 495547 991094 2477735 4955470 16429289 32858578 82146445 164292890 213580757 427161514 1067903785 2135807570