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2138461735 = 51097435281
BaseRepresentation
bin111111101110110…
…0101011000100111
312112000220010000111
41333131211120213
513334421233420
6552110353451
7103664424214
oct17735453047
95460803014
102138461735
119a8118a53
124b81bb887
13281066497
1416401cb0b
15c7b1345a
hex7f765627

2138461735 has 16 divisors (see below), whose sum is σ = 2593673280. Its totient is φ = 1692472320.

The previous prime is 2138461727. The next prime is 2138461771. The reversal of 2138461735 is 5371648312.

It is not a de Polignac number, because 2138461735 - 23 = 2138461727 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402295 + ... + 407575.

It is an arithmetic number, because the mean of its divisors is an integer number (162104580).

Almost surely, 22138461735 is an apocalyptic number.

2138461735 is a deficient number, since it is larger than the sum of its proper divisors (455211545).

2138461735 is a wasteful number, since it uses less digits than its factorization.

2138461735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6138.

The product of its digits is 120960, while the sum is 40.

The square root of 2138461735 is about 46243.5047871590. The cubic root of 2138461735 is about 1288.3498992712.

The spelling of 2138461735 in words is "two billion, one hundred thirty-eight million, four hundred sixty-one thousand, seven hundred thirty-five".

Divisors: 1 5 109 545 743 3715 5281 26405 80987 404935 575629 2878145 3923783 19618915 427692347 2138461735