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25002025013 = 747531433849
BaseRepresentation
bin10111010010001111…
…001010000000110101
32101112102201110121102
4113102033022000311
5402201004300023
615252532055445
71543400464130
oct272217120065
971472643542
1025002025013
11a66aa9a499
124a19164585
132485a95154
1412d2753217
159b4e72628
hex5d23ca035

25002025013 has 16 divisors (see below), whose sum is σ = 29732313600. Its totient is φ = 20578586496.

The previous prime is 25002024977. The next prime is 25002025057. The reversal of 25002025013 is 31052020052.

It is a cyclic number.

It is not a de Polignac number, because 25002025013 - 210 = 25002023989 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 (25002025513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 699488 + ... + 734361.

It is an arithmetic number, because the mean of its divisors is an integer number (1858269600).

Almost surely, 225002025013 is an apocalyptic number.

It is an amenable number.

25002025013 is a deficient number, since it is larger than the sum of its proper divisors (4730288587).

25002025013 is a wasteful number, since it uses less digits than its factorization.

25002025013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433956.

The product of its (nonzero) digits is 600, while the sum is 20.

Adding to 25002025013 its reverse (31052020052), we get a palindrome (56054045065).

The spelling of 25002025013 in words is "twenty-five billion, two million, twenty-five thousand, thirteen".

Divisors: 1 7 47 53 329 371 2491 17437 1433849 10036943 67390903 75993997 471736321 531957979 3571717859 25002025013