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2312023025 = 52137113917
BaseRepresentation
bin1000100111001110…
…1010101111110001
312222010110221100102
42021303222233301
514213334214100
61021230402145
7111202604624
oct21163525761
95863427312
102312023025
11a87093134
12546360355
132aacc4780
1417d0bbdbb
15d7e98cd5
hex89ceabf1

2312023025 has 12 divisors (see below), whose sum is σ = 3087440412. Its totient is φ = 1707339840.

The previous prime is 2312023003. The next prime is 2312023027. The reversal of 2312023025 is 5203202132.

It can be written as a sum of positive squares in 6 ways, for example, as 359443681 + 1952579344 = 18959^2 + 44188^2 .

It is a de Polignac number, because none of the positive numbers 2k-2312023025 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2312022988 and 2312023006.

It is not an unprimeable number, because it can be changed into a prime (2312023027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3556634 + ... + 3557283.

It is an arithmetic number, because the mean of its divisors is an integer number (257286701).

Almost surely, 22312023025 is an apocalyptic number.

2312023025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2312023025 is a deficient number, since it is larger than the sum of its proper divisors (775417387).

2312023025 is a wasteful number, since it uses less digits than its factorization.

2312023025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7113940 (or 7113935 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2312023025 is about 48083.5005485250. The cubic root of 2312023025 is about 1322.3021932253.

Adding to 2312023025 its reverse (5203202132), we get a palindrome (7515225157).

The spelling of 2312023025 in words is "two billion, three hundred twelve million, twenty-three thousand, twenty-five".

Divisors: 1 5 13 25 65 325 7113917 35569585 92480921 177847925 462404605 2312023025