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1042115239 = 11106389123
BaseRepresentation
bin111110000111010…
…110101010100111
32200121220221100201
4332013112222213
54113240141424
6251224051331
734552555564
oct7607265247
92617827321
101042115239
11495279670
12251003b47
13137b94749
149c59186b
156174ed44
hex3e1d6aa7

1042115239 has 8 divisors (see below), whose sum is σ = 1137935232. Its totient is φ = 946475640.

The previous prime is 1042115233. The next prime is 1042115279. The reversal of 1042115239 is 9325112401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1042115239 - 29 = 1042114727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042115233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32869 + ... + 56254.

It is an arithmetic number, because the mean of its divisors is an integer number (142241904).

Almost surely, 21042115239 is an apocalyptic number.

1042115239 is a deficient number, since it is larger than the sum of its proper divisors (95819993).

1042115239 is a wasteful number, since it uses less digits than its factorization.

1042115239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90197.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1042115239 is about 32281.8097231243. The cubic root of 1042115239 is about 1013.8458214492.

It can be divided in two parts, 1042 and 115239, that added together give a square (116281 = 3412).

The spelling of 1042115239 in words is "one billion, forty-two million, one hundred fifteen thousand, two hundred thirty-nine".

Divisors: 1 11 1063 11693 89123 980353 94737749 1042115239