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2315152073 = 13178088621
BaseRepresentation
bin1000100111111110…
…0110101011001001
312222100100220121002
42021333212223021
514220134331243
61021421424345
7111241316333
oct21177465311
95870326532
102315152073
11a88930023
1254740b0b5
132ab84ba90
1417d694453
15d83b5eb8
hex89fe6ac9

2315152073 has 4 divisors (see below), whose sum is σ = 2493240708. Its totient is φ = 2137063440.

The previous prime is 2315152069. The next prime is 2315152097. The reversal of 2315152073 is 3702515132.

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 374925769 + 1940226304 = 19363^2 + 44048^2 .

It is a cyclic number.

It is not a de Polignac number, because 2315152073 - 22 = 2315152069 is a prime.

It is a super-2 number, since 2×23151520732 = 10719858242232394658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2315152373) 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, 89044298 + ... + 89044323.

It is an arithmetic number, because the mean of its divisors is an integer number (623310177).

Almost surely, 22315152073 is an apocalyptic number.

It is an amenable number.

2315152073 is a deficient number, since it is larger than the sum of its proper divisors (178088635).

2315152073 is a wasteful number, since it uses less digits than its factorization.

2315152073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178088634.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 2315152073 is about 48116.0271946885. The cubic root of 2315152073 is about 1322.8984505335.

The spelling of 2315152073 in words is "two billion, three hundred fifteen million, one hundred fifty-two thousand, seventy-three".

Divisors: 1 13 178088621 2315152073