Base | Representation |
---|---|
bin | 1110010001110111000… |
… | …1000101011101011001 |
3 | 212110012020211100100012 |
4 | 3210131301011131121 |
5 | 13004400002330203 |
6 | 304410043051305 |
7 | 23503034131031 |
oct | 3443561053531 |
9 | 773166740305 |
10 | 245312542553 |
11 | 95044598081 |
12 | 3b662810b35 |
13 | 1a195c00030 |
14 | bc3206a8c1 |
15 | 65ab54cbd8 |
hex | 391dc45759 |
245312542553 has 16 divisors (see below), whose sum is σ = 269916627456. Its totient is φ = 221531620800.
The previous prime is 245312542511. The next prime is 245312542561. The reversal of 245312542553 is 355245213542.
It is a cyclic number.
It is not a de Polignac number, because 245312542553 - 28 = 245312542297 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 245312542553.
It is not an unprimeable number, because it can be changed into a prime (245312545553) 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, 1397603 + ... + 1563303.
It is an arithmetic number, because the mean of its divisors is an integer number (16869789216).
Almost surely, 2245312542553 is an apocalyptic number.
It is an amenable number.
245312542553 is a deficient number, since it is larger than the sum of its proper divisors (24604084903).
245312542553 is a wasteful number, since it uses less digits than its factorization.
245312542553 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 168184.
The product of its digits is 720000, while the sum is 41.
The spelling of 245312542553 in words is "two hundred forty-five billion, three hundred twelve million, five hundred forty-two thousand, five hundred fifty-three".
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