Base | Representation |
---|---|
bin | 10111010101011001… |
… | …010110001110001111 |
3 | 2101200010110022012010 |
4 | 113111121112032033 |
5 | 402303041344421 |
6 | 15302104112303 |
7 | 1544613140121 |
oct | 272531261617 |
9 | 71603408163 |
10 | 25055028111 |
11 | a697a01503 |
12 | 4a32a65693 |
13 | 2493a62429 |
14 | 12d97cd211 |
15 | 9b9942076 |
hex | 5d565638f |
25055028111 has 24 divisors (see below), whose sum is σ = 35502167680. Its totient is φ = 15714260352.
The previous prime is 25055028109. The next prime is 25055028121. The reversal of 25055028111 is 11182055052.
It is not a de Polignac number, because 25055028111 - 21 = 25055028109 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 (25055028121) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2873220 + ... + 2881926.
Almost surely, 225055028111 is an apocalyptic number.
25055028111 is a deficient number, since it is larger than the sum of its proper divisors (10447139569).
25055028111 is a wasteful number, since it uses less digits than its factorization.
25055028111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12063 (or 12046 counting only the distinct ones).
The product of its (nonzero) digits is 4000, while the sum is 30.
The spelling of 25055028111 in words is "twenty-five billion, fifty-five million, twenty-eight thousand, one hundred eleven".
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