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2140345055 = 57142114321
BaseRepresentation
bin111111110010011…
…0001001011011111
312112011102210110002
41333210301023133
513340412020210
6552215004515
7104016430022
oct17744611337
95464383402
102140345055
119a9194a12
124b896973b
13281575784
1416438d1b9
15c7d864a5
hex7f9312df

2140345055 has 16 divisors (see below), whose sum is σ = 2610957888. Its totient is φ = 1684032000.

The previous prime is 2140345049. The next prime is 2140345093. The reversal of 2140345055 is 5505430412.

It is not a de Polignac number, because 2140345055 - 28 = 2140344799 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, 142295 + ... + 156615.

It is an arithmetic number, because the mean of its divisors is an integer number (163184868).

Almost surely, 22140345055 is an apocalyptic number.

2140345055 is a deficient number, since it is larger than the sum of its proper divisors (470612833).

2140345055 is a wasteful number, since it uses less digits than its factorization.

2140345055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14818.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 2140345055 is about 46263.8633816935. The cubic root of 2140345055 is about 1288.7280002127.

Adding to 2140345055 its reverse (5505430412), we get a palindrome (7645775467).

The spelling of 2140345055 in words is "two billion, one hundred forty million, three hundred forty-five thousand, fifty-five".

Divisors: 1 5 71 355 421 2105 14321 29891 71605 149455 1016791 5083955 6029141 30145705 428069011 2140345055