Base | Representation |
---|---|
bin | 101110000010… |
… | …110001110101 |
3 | 211201012221020 |
4 | 232002301311 |
5 | 11042220010 |
6 | 1110411353 |
7 | 204410343 |
oct | 56026165 |
9 | 24635836 |
10 | 12070005 |
11 | 68a4412 |
12 | 4060b59 |
13 | 2667b1c |
14 | 1862993 |
15 | 10d6470 |
hex | b82c75 |
12070005 has 32 divisors (see below), whose sum is σ = 20210688. Its totient is φ = 6144000.
The previous prime is 12069989. The next prime is 12070021. The reversal of 12070005 is 50007021.
It is a happy number.
12070005 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (12069989) and next prime (12070021).
It is not a de Polignac number, because 12070005 - 24 = 12069989 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15).
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, 46837 + ... + 47093.
It is an arithmetic number, because the mean of its divisors is an integer number (631584).
Almost surely, 212070005 is an apocalyptic number.
12070005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12070005 is a deficient number, since it is larger than the sum of its proper divisors (8140683).
12070005 is a wasteful number, since it uses less digits than its factorization.
12070005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 397.
The product of its (nonzero) digits is 70, while the sum is 15.
The square root of 12070005 is about 3474.1912728000. The cubic root of 12070005 is about 229.3871840276.
Adding to 12070005 its reverse (50007021), we get a palindrome (62077026).
It can be divided in two parts, 120 and 70005, that added together give a triangular number (70125 = T374).
The spelling of 12070005 in words is "twelve million, seventy thousand, five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •