Base | Representation |
---|---|
bin | 100111110010000010… |
… | …100111101100010101 |
3 | 11002020220201011010120 |
4 | 213302002213230111 |
5 | 1144440130310210 |
6 | 31342340542153 |
7 | 3041346402426 |
oct | 476202475425 |
9 | 132226634116 |
10 | 42715478805 |
11 | 1712a8574aa |
12 | 83413b1959 |
13 | 404982855c |
14 | 20d30ad64d |
15 | 11a00c8270 |
hex | 9f20a7b15 |
42715478805 has 32 divisors (see below), whose sum is σ = 74422627200. Its totient is φ = 20838327552.
The previous prime is 42715478779. The next prime is 42715478849. The reversal of 42715478805 is 50887451724.
It is a happy number.
42715478805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 42715478805 - 29 = 42715478293 is a prime.
It is a super-2 number, since 2×427154788052 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2575854 + ... + 2592383.
It is an arithmetic number, because the mean of its divisors is an integer number (2325707100).
Almost surely, 242715478805 is an apocalyptic number.
It is an amenable number.
42715478805 is a deficient number, since it is larger than the sum of its proper divisors (31707148395).
42715478805 is a wasteful number, since it uses less digits than its factorization.
42715478805 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5168293.
The product of its (nonzero) digits is 2508800, while the sum is 51.
The spelling of 42715478805 in words is "forty-two billion, seven hundred fifteen million, four hundred seventy-eight thousand, eight hundred five".
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