Base | Representation |
---|---|
bin | 10010010001110000011… |
… | …10001100111101010101 |
3 | 2020000222222201212121001 |
4 | 21020320032030331111 |
5 | 40242130132104110 |
6 | 1200300401023301 |
7 | 63241430636656 |
oct | 11107016147525 |
9 | 2200888655531 |
10 | 628008472405 |
11 | 222378457456 |
12 | a1866924b31 |
13 | 472b45536c2 |
14 | 22577ddb52d |
15 | 11508c0963a |
hex | 923838cf55 |
628008472405 has 32 divisors (see below), whose sum is σ = 801381335040. Its totient is φ = 471104527680.
The previous prime is 628008472387. The next prime is 628008472411. The reversal of 628008472405 is 504274800826.
It is not a de Polignac number, because 628008472405 - 211 = 628008470357 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20640934 + ... + 20671336.
It is an arithmetic number, because the mean of its divisors is an integer number (25043166720).
Almost surely, 2628008472405 is an apocalyptic number.
It is an amenable number.
628008472405 is a deficient number, since it is larger than the sum of its proper divisors (173372862635).
628008472405 is a wasteful number, since it uses less digits than its factorization.
628008472405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32641.
The product of its (nonzero) digits is 860160, while the sum is 46.
The spelling of 628008472405 in words is "six hundred twenty-eight billion, eight million, four hundred seventy-two thousand, four hundred five".
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