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2312315465 = 52320107091
BaseRepresentation
bin1000100111010011…
…0010001001001001
312222011000210111112
42021310302021021
514213423043330
61021240540105
7111205233335
oct21164621111
95864023445
102312315465
11a87272919
12546481635
132ab097905
1417d1567c5
15d8005795
hex89d32249

2312315465 has 8 divisors (see below), whose sum is σ = 2895421248. Its totient is φ = 1769423920.

The previous prime is 2312315449. The next prime is 2312315477. The reversal of 2312315465 is 5645132132.

It is a happy number.

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

It is not a de Polignac number, because 2312315465 - 24 = 2312315449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10053431 + ... + 10053660.

It is an arithmetic number, because the mean of its divisors is an integer number (361927656).

Almost surely, 22312315465 is an apocalyptic number.

It is an amenable number.

2312315465 is a deficient number, since it is larger than the sum of its proper divisors (583105783).

2312315465 is a wasteful number, since it uses less digits than its factorization.

2312315465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20107119.

The product of its digits is 21600, while the sum is 32.

The square root of 2312315465 is about 48086.5414123328. The cubic root of 2312315465 is about 1322.3579420575.

Adding to 2312315465 its reverse (5645132132), we get a palindrome (7957447597).

The spelling of 2312315465 in words is "two billion, three hundred twelve million, three hundred fifteen thousand, four hundred sixty-five".

Divisors: 1 5 23 115 20107091 100535455 462463093 2312315465