Base | Representation |
---|---|
bin | 101010011101101… |
… | …010101010100101 |
3 | 1211122112200112010 |
4 | 222131222222211 |
5 | 2424334420010 |
6 | 154405344433 |
7 | 23440320153 |
oct | 5235525245 |
9 | 1748480463 |
10 | 712420005 |
11 | 336162770 |
12 | 17a708119 |
13 | b479a5cb |
14 | 6a88c3d3 |
15 | 42827620 |
hex | 2a76aaa5 |
712420005 has 16 divisors (see below), whose sum is σ = 1243497024. Its totient is φ = 345415680.
The previous prime is 712419973. The next prime is 712420013. The reversal of 712420005 is 500024217.
It is not a de Polignac number, because 712420005 - 25 = 712419973 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2158684 + ... + 2159013.
It is an arithmetic number, because the mean of its divisors is an integer number (77718564).
Almost surely, 2712420005 is an apocalyptic number.
It is an amenable number.
712420005 is a deficient number, since it is larger than the sum of its proper divisors (531077019).
712420005 is a wasteful number, since it uses less digits than its factorization.
712420005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4317716.
The product of its (nonzero) digits is 560, while the sum is 21.
The square root of 712420005 is about 26691.1971443770. The cubic root of 712420005 is about 893.1245665568.
The spelling of 712420005 in words is "seven hundred twelve million, four hundred twenty thousand, five".
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