Base | Representation |
---|---|
bin | 111101101010001… |
… | …0011001000101001 |
3 | 12100012000222002011 |
4 | 1323110103020221 |
5 | 13214120400300 |
6 | 541144035521 |
7 | 102161343211 |
oct | 17324231051 |
9 | 5305028064 |
10 | 2068918825 |
11 | 97193a376 |
12 | 498a62ba1 |
13 | 26c827a2c |
14 | 158ab9241 |
15 | c1977eba |
hex | 7b513229 |
2068918825 has 24 divisors (see below), whose sum is σ = 2643012632. Its totient is φ = 1605381120.
The previous prime is 2068918807. The next prime is 2068918867. The reversal of 2068918825 is 5288198602.
It can be written as a sum of positive squares in 12 ways, for example, as 979126681 + 1089792144 = 31291^2 + 33012^2 .
It is not a de Polignac number, because 2068918825 - 27 = 2068918697 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 308407 + ... + 315043.
Almost surely, 22068918825 is an apocalyptic number.
2068918825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2068918825 is a deficient number, since it is larger than the sum of its proper divisors (574093807).
2068918825 is a wasteful number, since it uses less digits than its factorization.
2068918825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7021 (or 7016 counting only the distinct ones).
The product of its (nonzero) digits is 552960, while the sum is 49.
The square root of 2068918825 is about 45485.3693510342. The cubic root of 2068918825 is about 1274.2299746179.
The spelling of 2068918825 in words is "two billion, sixty-eight million, nine hundred eighteen thousand, eight hundred twenty-five".
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