Base | Representation |
---|---|
bin | 10010101101110011… |
… | …110001000110111101 |
3 | 1220212111222101122012 |
4 | 102231303301012331 |
5 | 312124022214140 |
6 | 13122032501005 |
7 | 1310665213016 |
oct | 225563610675 |
9 | 56774871565 |
10 | 20095898045 |
11 | 8582679703 |
12 | 3a8a0aa765 |
13 | 1b83513342 |
14 | d88d2a00d |
15 | 7c93b0265 |
hex | 4adcf11bd |
20095898045 has 6 divisors (see below), whose sum is σ = 24115458042. Its totient is φ = 16076464848.
The previous prime is 20095898027. The next prime is 20095898057. The reversal of 20095898045 is 54089859002.
It can be written as a sum of positive squares in 3 ways, for example, as 747366244 + 19348531801 = 27338^2 + 139099^2 .
It is not a de Polignac number, because 20095898045 - 26 = 20095897981 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20095897984 and 20095898002.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 285287 + ... + 348683.
It is an arithmetic number, because the mean of its divisors is an integer number (4019243007).
Almost surely, 220095898045 is an apocalyptic number.
It is an amenable number.
20095898045 is a deficient number, since it is larger than the sum of its proper divisors (4019559997).
20095898045 is an frugal number, since it uses more digits than its factorization.
20095898045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 126799 (or 63402 counting only the distinct ones).
The product of its (nonzero) digits is 1036800, while the sum is 50.
The spelling of 20095898045 in words is "twenty billion, ninety-five million, eight hundred ninety-eight thousand, forty-five".
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