Base | Representation |
---|---|
bin | 11001000001011101000101… |
… | …00001110100110010100001 |
3 | 21012211101120101101101022011 |
4 | 30200232202201310302201 |
5 | 24203014313004230100 |
6 | 313010220123112521 |
7 | 14406315331431145 |
oct | 1440564241646241 |
9 | 235741511341264 |
10 | 55025552805025 |
11 | 1659522a055230 |
12 | 62083a2372741 |
13 | 2491b6c7038ca |
14 | d83372917225 |
15 | 65651a84cbba |
hex | 320ba2874ca1 |
55025552805025 has 48 divisors (see below), whose sum is σ = 78940397223360. Its totient is φ = 37603700121600.
The previous prime is 55025552805019. The next prime is 55025552805029. The reversal of 55025552805025 is 52050825552055.
It is not a de Polignac number, because 55025552805025 - 25 = 55025552804993 is a prime.
It is a super-2 number, since 2×550255528050252 (a number of 28 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 55025552805025.
It is not an unprimeable number, because it can be changed into a prime (55025552805029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6613584 + ... + 12401233.
It is an arithmetic number, because the mean of its divisors is an integer number (1644591608820).
Almost surely, 255025552805025 is an apocalyptic number.
55025552805025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
55025552805025 is a deficient number, since it is larger than the sum of its proper divisors (23914844418335).
55025552805025 is a wasteful number, since it uses less digits than its factorization.
55025552805025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19015474 (or 19015469 counting only the distinct ones).
The product of its (nonzero) digits is 5000000, while the sum is 49.
The spelling of 55025552805025 in words is "fifty-five trillion, twenty-five billion, five hundred fifty-two million, eight hundred five thousand, twenty-five".
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