Base | Representation |
---|---|
bin | 110000001011… |
… | …101000101010 |
3 | 212202200212220 |
4 | 300023220222 |
5 | 11213134240 |
6 | 1130414510 |
7 | 212233551 |
oct | 60135052 |
9 | 25680786 |
10 | 12630570 |
11 | 7147597 |
12 | 4291436 |
13 | 2803014 |
14 | 196ad98 |
15 | 11975d0 |
hex | c0ba2a |
12630570 has 16 divisors (see below), whose sum is σ = 30313440. Its totient is φ = 3368144.
The previous prime is 12630559. The next prime is 12630577. The reversal of 12630570 is 7503621.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 12630570.
It is not an unprimeable number, because it can be changed into a prime (12630577) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210480 + ... + 210539.
It is an arithmetic number, because the mean of its divisors is an integer number (1894590).
Almost surely, 212630570 is an apocalyptic number.
12630570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12630570 is an abundant number, since it is smaller than the sum of its proper divisors (17682870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12630570 is a wasteful number, since it uses less digits than its factorization.
12630570 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 421029.
The product of its (nonzero) digits is 1260, while the sum is 24.
The square root of 12630570 is about 3553.9513221202. The cubic root of 12630570 is about 232.8847139765.
The spelling of 12630570 in words is "twelve million, six hundred thirty thousand, five hundred seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.115 sec. • engine limits •