Base | Representation |
---|---|
bin | 110001110111… |
… | …001001111101 |
3 | 220121002000010 |
4 | 301313021331 |
5 | 11321232343 |
6 | 1144053433 |
7 | 216046536 |
oct | 61671175 |
9 | 26532003 |
10 | 13070973 |
11 | 7418463 |
12 | 4464279 |
13 | 2928606 |
14 | 1a4368d |
15 | 1232d33 |
hex | c7727d |
13070973 has 4 divisors (see below), whose sum is σ = 17427968. Its totient is φ = 8713980.
The previous prime is 13070903. The next prime is 13070983. The reversal of 13070973 is 37907031.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 13070973 - 210 = 13069949 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13070973.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13070903) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2178493 + ... + 2178498.
It is an arithmetic number, because the mean of its divisors is an integer number (4356992).
Almost surely, 213070973 is an apocalyptic number.
It is an amenable number.
13070973 is a deficient number, since it is larger than the sum of its proper divisors (4356995).
13070973 is an equidigital number, since it uses as much as digits as its factorization.
13070973 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4356994.
The product of its (nonzero) digits is 3969, while the sum is 30.
The square root of 13070973 is about 3615.3800630086. The cubic root of 13070973 is about 235.5605931326.
The spelling of 13070973 in words is "thirteen million, seventy thousand, nine hundred seventy-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.209 sec. • engine limits •