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2135909470 = 25268379609
BaseRepresentation
bin111111101001111…
…0110010001011110
312111212002102222011
41333103312101132
513333243100340
6551535541434
7103633634212
oct17723662136
95455072864
102135909470
119a6735442
124b738a87a
13280681876
14163956942
15c77ac0ea
hex7f4f645e

2135909470 has 16 divisors (see below), whose sum is σ = 3846118320. Its totient is φ = 854034624.

The previous prime is 2135909429. The next prime is 2135909521. The reversal of 2135909470 is 749095312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12975 + ... + 66634.

It is an arithmetic number, because the mean of its divisors is an integer number (240382395).

Almost surely, 22135909470 is an apocalyptic number.

2135909470 is a deficient number, since it is larger than the sum of its proper divisors (1710208850).

2135909470 is a wasteful number, since it uses less digits than its factorization.

2135909470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82299.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 2135909470 is about 46215.9006187265. The cubic root of 2135909470 is about 1287.8371444975.

The spelling of 2135909470 in words is "two billion, one hundred thirty-five million, nine hundred nine thousand, four hundred seventy".

Divisors: 1 2 5 10 2683 5366 13415 26830 79609 159218 398045 796090 213590947 427181894 1067954735 2135909470