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25046401441 = 119092103149
BaseRepresentation
bin10111010100111000…
…011100000110100001
32101122112020000121211
4113110320130012201
5402243334321231
615301155150121
71544446620355
oct272470340641
971575200554
1025046401441
11a69304a126
124a2bba5341
1324920319a9
1412d85c5465
159b8cdaeb1
hex5d4e1c1a1

25046401441 has 4 divisors (see below), whose sum is σ = 25048516500. Its totient is φ = 25044286384.

The previous prime is 25046401439. The next prime is 25046401447. The reversal of 25046401441 is 14410464052.

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 9524979216 + 15521422225 = 97596^2 + 124585^2 .

It is a cyclic number.

It is not a de Polignac number, because 25046401441 - 21 = 25046401439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25046401447) 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, 1039666 + ... + 1063483.

It is an arithmetic number, because the mean of its divisors is an integer number (6262129125).

Almost surely, 225046401441 is an apocalyptic number.

It is an amenable number.

25046401441 is a deficient number, since it is larger than the sum of its proper divisors (2115059).

25046401441 is a wasteful number, since it uses less digits than its factorization.

25046401441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115058.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 25046401441 its reverse (14410464052), we get a palindrome (39456865493).

The spelling of 25046401441 in words is "twenty-five billion, forty-six million, four hundred one thousand, four hundred forty-one".

Divisors: 1 11909 2103149 25046401441