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2313505973 = 17531319741
BaseRepresentation
bin1000100111100101…
…0100110010110101
312222020021021120102
42021321110302311
514214224142343
61021322243445
7111221322242
oct21171246265
95866237512
102313505973
11a87a06309
12546956585
132ab3c375c
1417d3865c9
15d818d3b8
hex89e54cb5

2313505973 has 4 divisors (see below), whose sum is σ = 2314827468. Its totient is φ = 2312184480.

The previous prime is 2313505967. The next prime is 2313506003. The reversal of 2313505973 is 3795053132.

2313505973 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 426298609 + 1887207364 = 20647^2 + 43442^2 .

It is a cyclic number.

It is not a de Polignac number, because 2313505973 - 212 = 2313501877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313505903) 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, 658118 + ... + 661623.

It is an arithmetic number, because the mean of its divisors is an integer number (578706867).

Almost surely, 22313505973 is an apocalyptic number.

It is an amenable number.

2313505973 is a deficient number, since it is larger than the sum of its proper divisors (1321495).

2313505973 is a wasteful number, since it uses less digits than its factorization.

2313505973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321494.

The product of its (nonzero) digits is 85050, while the sum is 38.

The square root of 2313505973 is about 48098.9186260980. The cubic root of 2313505973 is about 1322.5848441440.

The spelling of 2313505973 in words is "two billion, three hundred thirteen million, five hundred five thousand, nine hundred seventy-three".

Divisors: 1 1753 1319741 2313505973