Base | Representation |
---|---|
bin | 1001011101010110… |
… | …00100000110011101 |
3 | 111002220011112201120 |
4 | 10232223010012131 |
5 | 40344432230341 |
6 | 2155515201153 |
7 | 236560233456 |
oct | 45653040635 |
9 | 14086145646 |
10 | 5078008221 |
11 | 2176448810 |
12 | b987461b9 |
13 | 62c0724c0 |
14 | 3625aa12d |
15 | 1eac15066 |
hex | 12eac419d |
5078008221 has 32 divisors (see below), whose sum is σ = 7962235008. Its totient is φ = 2838032640.
The previous prime is 5078008217. The next prime is 5078008237. The reversal of 5078008221 is 1228008705.
It is not a de Polignac number, because 5078008221 - 22 = 5078008217 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5078008421) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 473895 + ... + 484491.
It is an arithmetic number, because the mean of its divisors is an integer number (248819844).
Almost surely, 25078008221 is an apocalyptic number.
It is an amenable number.
5078008221 is a deficient number, since it is larger than the sum of its proper divisors (2884226787).
5078008221 is a wasteful number, since it uses less digits than its factorization.
5078008221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11741.
The product of its (nonzero) digits is 8960, while the sum is 33.
The square root of 5078008221 is about 71260.1446883179. The cubic root of 5078008221 is about 1718.8229080151.
The spelling of 5078008221 in words is "five billion, seventy-eight million, eight thousand, two hundred twenty-one".
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