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25386407941 = 23285755997
BaseRepresentation
bin10111101001001001…
…011101100000000101
32102112020000010212011
4113221021131200011
5403442410023231
615355022454221
71556045623066
oct275111354005
972466003764
1025386407941
11a847a69034
124b05a34371
1325175c927b
14132b81056d
159d8a9d9b1
hex5e925d805

25386407941 has 12 divisors (see below), whose sum is σ = 26569595052. Its totient is φ = 24253883456.

The previous prime is 25386407939. The next prime is 25386407953. The reversal of 25386407941 is 14970468352.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17807834916 + 7578573025 = 133446^2 + 87055^2 .

It is not a de Polignac number, because 25386407941 - 21 = 25386407939 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 (25386407741) 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, 425355 + ... + 481351.

It is an arithmetic number, because the mean of its divisors is an integer number (2214132921).

It is a 1-persistent number, because it is pandigital, but 2⋅25386407941 = 50772815882 is not.

Almost surely, 225386407941 is an apocalyptic number.

It is an amenable number.

25386407941 is a deficient number, since it is larger than the sum of its proper divisors (1183187111).

25386407941 is an equidigital number, since it uses as much as digits as its factorization.

25386407941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56900 (or 56877 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 25386407941 in words is "twenty-five billion, three hundred eighty-six million, four hundred seven thousand, nine hundred forty-one".

Divisors: 1 23 529 857 19711 55997 453353 1287931 29622413 47989429 1103756867 25386407941