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2734312405 = 511387712823
BaseRepresentation
bin1010001011111010…
…0100101111010101
321001120002110110211
42202332210233111
521044440444110
61131153445421
7124521162166
oct24276445725
97046073424
102734312405
1111834a2420
12643870871
1334763b546
141bd20576d
151100b198a
hexa2fa4bd5

2734312405 has 16 divisors (see below), whose sum is σ = 3580665984. Its totient is φ = 1987922880.

The previous prime is 2734312397. The next prime is 2734312417. The reversal of 2734312405 is 5042134372.

It is a happy number.

It is not a de Polignac number, because 2734312405 - 23 = 2734312397 is a prime.

It is a Duffinian number.

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, 206824 + ... + 219646.

It is an arithmetic number, because the mean of its divisors is an integer number (223791624).

Almost surely, 22734312405 is an apocalyptic number.

It is an amenable number.

2734312405 is a deficient number, since it is larger than the sum of its proper divisors (846353579).

2734312405 is a wasteful number, since it uses less digits than its factorization.

2734312405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16716.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 2734312405 is about 52290.6531322759. The cubic root of 2734312405 is about 1398.3505071456.

Adding to 2734312405 its reverse (5042134372), we get a palindrome (7776446777).

The spelling of 2734312405 in words is "two billion, seven hundred thirty-four million, three hundred twelve thousand, four hundred five".

Divisors: 1 5 11 55 3877 12823 19385 42647 64115 141053 213235 705265 49714771 248573855 546862481 2734312405