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2317447139 = 7407981163
BaseRepresentation
bin1000101000100001…
…0110111111100011
312222111200111211112
42022020112333203
514221231302024
61021542533535
7111266655440
oct21210267743
95874614745
102317447139
11a8a158377
125481372ab
132ac1735c7
1417dad09c7
15d86bb00e
hex8a216fe3

2317447139 has 8 divisors (see below), whose sum is σ = 2649192960. Its totient is φ = 1985871816.

The previous prime is 2317447073. The next prime is 2317447163. The reversal of 2317447139 is 9317447132.

2317447139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2317447139 - 216 = 2317381603 is a prime.

It is a super-2 number, since 2×23174471392 = 10741122484118570642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2317447096 and 2317447105.

It is not an unprimeable number, because it can be changed into a prime (2317447039) 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, 12029 + ... + 69134.

It is an arithmetic number, because the mean of its divisors is an integer number (331149120).

Almost surely, 22317447139 is an apocalyptic number.

2317447139 is a deficient number, since it is larger than the sum of its proper divisors (331745821).

2317447139 is an equidigital number, since it uses as much as digits as its factorization.

2317447139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85249.

The product of its digits is 127008, while the sum is 41.

The square root of 2317447139 is about 48139.8705752311. The cubic root of 2317447139 is about 1323.3354465271.

The spelling of 2317447139 in words is "two billion, three hundred seventeen million, four hundred forty-seven thousand, one hundred thirty-nine".

Divisors: 1 7 4079 28553 81163 568141 331063877 2317447139