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2426665139 = 43229281877
BaseRepresentation
bin1001000010100011…
…1111100010110011
320021010012100202122
42100220333202303
514432211241024
61040443504455
7114064212323
oct22050774263
96233170678
102426665139
111035875488
1257882812b
132c8993a42
14190401283
15e3091d5e
hex90a3f8b3

2426665139 has 16 divisors (see below), whose sum is σ = 2505671520. Its totient is φ = 2348801280.

The previous prime is 2426665127. The next prime is 2426665177. The reversal of 2426665139 is 9315666242.

2426665139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2426665139 - 228 = 2158229683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2426665139.

It is not an unprimeable number, because it can be changed into a prime (2426665939) 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, 2766569 + ... + 2767445.

It is an arithmetic number, because the mean of its divisors is an integer number (156604470).

Almost surely, 22426665139 is an apocalyptic number.

2426665139 is a deficient number, since it is larger than the sum of its proper divisors (79006381).

2426665139 is a wasteful number, since it uses less digits than its factorization.

2426665139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430.

The product of its digits is 466560, while the sum is 44.

The square root of 2426665139 is about 49261.1930326500. The cubic root of 2426665139 is about 1343.8061275160.

The spelling of 2426665139 in words is "two billion, four hundred twenty-six million, six hundred sixty-five thousand, one hundred thirty-nine".

Divisors: 1 43 229 281 877 9847 12083 37711 64349 200833 246437 2767007 8635819 10596791 56434073 2426665139