Base | Representation |
---|---|
bin | 1110110111011101111… |
… | …1110111101001001001 |
3 | 220102020211001022212112 |
4 | 3231313133313221021 |
5 | 13141033411213140 |
6 | 313155513552105 |
7 | 24311150305361 |
oct | 3556737675111 |
9 | 812224038775 |
10 | 255407913545 |
11 | 99355121794 |
12 | 415bb715635 |
13 | 1b1145a0035 |
14 | c50cb379a1 |
15 | 699c998c65 |
hex | 3b777f7a49 |
255407913545 has 32 divisors (see below), whose sum is σ = 311714841984. Its totient is φ = 200882073600.
The previous prime is 255407913461. The next prime is 255407913581. The reversal of 255407913545 is 545319704552.
It is not a de Polignac number, because 255407913545 - 228 = 255139478089 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 255407913493 and 255407913502.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28465910 + ... + 28474880.
It is an arithmetic number, because the mean of its divisors is an integer number (9741088812).
Almost surely, 2255407913545 is an apocalyptic number.
It is an amenable number.
255407913545 is a deficient number, since it is larger than the sum of its proper divisors (56306928439).
255407913545 is a wasteful number, since it uses less digits than its factorization.
255407913545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9513.
The product of its (nonzero) digits is 3780000, while the sum is 50.
The spelling of 255407913545 in words is "two hundred fifty-five billion, four hundred seven million, nine hundred thirteen thousand, five hundred forty-five".
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