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2313222985 = 5462644597
BaseRepresentation
bin1000100111100000…
…1111101101001001
312222012201220101101
42021320033231021
514214141113420
61021312221401
7111216033223
oct21170175511
95865656341
102313222985
11a87832737
1254683a861
132ab3249c8
1417d311413
15d813460a
hex89e0fb49

2313222985 has 4 divisors (see below), whose sum is σ = 2775867588. Its totient is φ = 1850578384.

The previous prime is 2313222983. The next prime is 2313222991. The reversal of 2313222985 is 5892223132.

2313222985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 687278656 + 1625944329 = 26216^2 + 40323^2 .

It is a cyclic number.

It is not a de Polignac number, because 2313222985 - 21 = 2313222983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2313222983) 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, 231322294 + ... + 231322303.

It is an arithmetic number, because the mean of its divisors is an integer number (693966897).

Almost surely, 22313222985 is an apocalyptic number.

It is an amenable number.

2313222985 is a deficient number, since it is larger than the sum of its proper divisors (462644603).

2313222985 is an equidigital number, since it uses as much as digits as its factorization.

2313222985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462644602.

The product of its digits is 51840, while the sum is 37.

The square root of 2313222985 is about 48095.9768067975. The cubic root of 2313222985 is about 1322.5309157620.

The spelling of 2313222985 in words is "two billion, three hundred thirteen million, two hundred twenty-two thousand, nine hundred eighty-five".

Divisors: 1 5 462644597 2313222985