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25216060501 = 196198322133
BaseRepresentation
bin10111011110111111…
…101000110001010101
32102002100110121002201
4113132333220301111
5403120302414001
615330055404501
71551606656242
oct273677506125
972070417081
1025216060501
11a76a899525
124a78983731
1324bb224a78
141312d4a5c9
159c8b50501
hex5defe8c55

25216060501 has 16 divisors (see below), whose sum is σ = 27007021440. Its totient is φ = 23472313920.

The previous prime is 25216060489. The next prime is 25216060553. The reversal of 25216060501 is 10506061252.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25216060501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25216060501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25216060561) 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, 1128231 + ... + 1150363.

It is an arithmetic number, because the mean of its divisors is an integer number (1687938840).

Almost surely, 225216060501 is an apocalyptic number.

It is an amenable number.

25216060501 is a deficient number, since it is larger than the sum of its proper divisors (1790960939).

25216060501 is a wasteful number, since it uses less digits than its factorization.

25216060501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23196.

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 25216060501 in words is "twenty-five billion, two hundred sixteen million, sixty thousand, five hundred one".

Divisors: 1 19 61 983 1159 18677 22133 59963 420527 1139297 1350113 21756739 25652147 413378041 1327161079 25216060501