Base | Representation |
---|---|
bin | 110010100001111111… |
… | …000010001110100101 |
3 | 12012001021121120021201 |
4 | 302201333002032211 |
5 | 1342104324413100 |
6 | 40531521242501 |
7 | 3630355062523 |
oct | 624177021645 |
9 | 165037546251 |
10 | 54257263525 |
11 | 210128a1163 |
12 | a622793431 |
13 | 5168a77c7a |
14 | 28a9cd1313 |
15 | 16284d636a |
hex | ca1fc23a5 |
54257263525 has 6 divisors (see below), whose sum is σ = 67279006802. Its totient is φ = 43405810800.
The previous prime is 54257263523. The next prime is 54257263553. The reversal of 54257263525 is 52536275245.
54257263525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 3 ways, for example, as 13582037764 + 40675225761 = 116542^2 + 201681^2 .
It is not a de Polignac number, because 54257263525 - 21 = 54257263523 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 (54257263523) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1085145246 + ... + 1085145295.
Almost surely, 254257263525 is an apocalyptic number.
It is an amenable number.
54257263525 is a deficient number, since it is larger than the sum of its proper divisors (13021743277).
54257263525 is a wasteful number, since it uses less digits than its factorization.
54257263525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2170290551 (or 2170290546 counting only the distinct ones).
The product of its digits is 2520000, while the sum is 46.
The spelling of 54257263525 in words is "fifty-four billion, two hundred fifty-seven million, two hundred sixty-three thousand, five hundred twenty-five".
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