Base | Representation |
---|---|
bin | 1100000011011000111… |
… | …0001001000001001001 |
3 | 201210110221011201021200 |
4 | 3000312032021001021 |
5 | 11343033413404300 |
6 | 235043100054413 |
7 | 20650224603306 |
oct | 3006616110111 |
9 | 653427151250 |
10 | 207068106825 |
11 | 7a8a96034a8 |
12 | 3416a834409 |
13 | 166ac77ccc8 |
14 | a044aca0ad |
15 | 55bdc43200 |
hex | 3036389049 |
207068106825 has 18 divisors (see below), whose sum is σ = 370881987294. Its totient is φ = 110436323520.
The previous prime is 207068106799. The next prime is 207068106827. The reversal of 207068106825 is 528601860702.
It can be written as a sum of positive squares in 3 ways, for example, as 40131307584 + 166936799241 = 200328^2 + 408579^2 .
It is not a de Polignac number, because 207068106825 - 226 = 207000997961 is a prime.
It is a super-2 number, since 2×2070681068252 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (207068106827) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 460151124 + ... + 460151573.
Almost surely, 2207068106825 is an apocalyptic number.
207068106825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
207068106825 is a deficient number, since it is larger than the sum of its proper divisors (163813880469).
207068106825 is a wasteful number, since it uses less digits than its factorization.
207068106825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 920302713 (or 920302705 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 45.
The spelling of 207068106825 in words is "two hundred seven billion, sixty-eight million, one hundred six thousand, eight hundred twenty-five".
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