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2142990259 = 19167727929
BaseRepresentation
bin111111110111011…
…0110111110110011
312112100102011222121
41333232312332303
513342101142014
6552351415111
7104051055004
oct17756667663
95470364877
102142990259
119aa731333
124b9824497
13281c90797
1416487b1ab
15c820a124
hex7fbb6fb3

2142990259 has 16 divisors (see below), whose sum is σ = 2274854400. Its totient is φ = 2013099264.

The previous prime is 2142990209. The next prime is 2142990277. The reversal of 2142990259 is 9520992412.

It is a cyclic number.

It is not a de Polignac number, because 2142990259 - 29 = 2142989747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142990209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2306307 + ... + 2307235.

It is an arithmetic number, because the mean of its divisors is an integer number (142178400).

Almost surely, 22142990259 is an apocalyptic number.

2142990259 is a deficient number, since it is larger than the sum of its proper divisors (131864141).

2142990259 is a wasteful number, since it uses less digits than its factorization.

2142990259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 2142990259 is about 46292.4427849730. The cubic root of 2142990259 is about 1289.2586849060.

The spelling of 2142990259 in words is "two billion, one hundred forty-two million, nine hundred ninety thousand, two hundred fifty-nine".

Divisors: 1 19 167 727 929 3173 13813 17651 121409 155143 675383 2306771 2947717 12832277 112788961 2142990259