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1130255239 = 8313617533
BaseRepresentation
bin100001101011110…
…0101001110000111
32220202202220201011
41003113211032013
54303321131424
6304053143051
740003003531
oct10327451607
92822686634
101130255239
1152aaaa543
1227662aa87
13150214ba9
14aa176851
1569360694
hex435e5387

1130255239 has 4 divisors (see below), whose sum is σ = 1143872856. Its totient is φ = 1116637624.

The previous prime is 1130255237. The next prime is 1130255249. The reversal of 1130255239 is 9325520311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9325520311 = 38324348617.

It is a cyclic number.

It is not a de Polignac number, because 1130255239 - 21 = 1130255237 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 1130255239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130255237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6808684 + ... + 6808849.

It is an arithmetic number, because the mean of its divisors is an integer number (285968214).

Almost surely, 21130255239 is an apocalyptic number.

1130255239 is a deficient number, since it is larger than the sum of its proper divisors (13617617).

1130255239 is an equidigital number, since it uses as much as digits as its factorization.

1130255239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13617616.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 1130255239 is about 33619.2688647448. The cubic root of 1130255239 is about 1041.6588538066.

The spelling of 1130255239 in words is "one billion, one hundred thirty million, two hundred fifty-five thousand, two hundred thirty-nine".

Divisors: 1 83 13617533 1130255239