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2312921525 = 5292516861
BaseRepresentation
bin1000100111011100…
…0110000110110101
312222012011120212012
42021313012012311
514214101442100
61021301534005
7111213336305
oct21167060665
95865146765
102312921525
11a876471a2
12546714305
132ab24a725
1417d273605
15d80c5135
hex89dc61b5

2312921525 has 6 divisors (see below), whose sum is σ = 2868022722. Its totient is φ = 1850337200.

The previous prime is 2312921521. The next prime is 2312921531. The reversal of 2312921525 is 5251292132.

2312921525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 373223761 + 1939697764 = 19319^2 + 44042^2 .

It is not a de Polignac number, because 2312921525 - 22 = 2312921521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2312921491 and 2312921500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312921521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46258406 + ... + 46258455.

It is an arithmetic number, because the mean of its divisors is an integer number (478003787).

Almost surely, 22312921525 is an apocalyptic number.

2312921525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2312921525 is a deficient number, since it is larger than the sum of its proper divisors (555101197).

2312921525 is an equidigital number, since it uses as much as digits as its factorization.

2312921525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92516871 (or 92516866 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

The square root of 2312921525 is about 48092.8427627230. The cubic root of 2312921525 is about 1322.4734623744.

The spelling of 2312921525 in words is "two billion, three hundred twelve million, nine hundred twenty-one thousand, five hundred twenty-five".

Divisors: 1 5 25 92516861 462584305 2312921525