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1310214239 = 5922207021
BaseRepresentation
bin100111000011000…
…0100100001011111
310101022101210001022
41032012010201133
510140403323424
6334002234355
744316431405
oct11606044137
93338353038
101310214239
11612644394
123069559bb
1317b5a31c9
14c601d475
157a05b95e
hex4e18485f

1310214239 has 4 divisors (see below), whose sum is σ = 1332421320. Its totient is φ = 1288007160.

The previous prime is 1310214233. The next prime is 1310214317. The reversal of 1310214239 is 9324120131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1310214239 - 24 = 1310214223 is a prime.

It is a super-2 number, since 2×13102142392 = 3433322704156698242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310214233) 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, 11103452 + ... + 11103569.

It is an arithmetic number, because the mean of its divisors is an integer number (333105330).

Almost surely, 21310214239 is an apocalyptic number.

1310214239 is a deficient number, since it is larger than the sum of its proper divisors (22207081).

1310214239 is an equidigital number, since it uses as much as digits as its factorization.

1310214239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22207080.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1310214239 is about 36196.8816198302. The cubic root of 1310214239 is about 1094.2438261847.

The spelling of 1310214239 in words is "one billion, three hundred ten million, two hundred fourteen thousand, two hundred thirty-nine".

Divisors: 1 59 22207021 1310214239