Base | Representation |
---|---|
bin | 100000110100111111… |
… | …0100101011010101101 |
3 | 20201222002110120200120 |
4 | 1001221332211122231 |
5 | 2123334324144410 |
6 | 52215221515153 |
7 | 5043664532403 |
oct | 1015176453255 |
9 | 221862416616 |
10 | 70497490605 |
11 | 27996aa5133 |
12 | 117b5572ab9 |
13 | 68565314a9 |
14 | 35aab17473 |
15 | 1c79130570 |
hex | 1069fa56ad |
70497490605 has 16 divisors (see below), whose sum is σ = 112802436864. Its totient is φ = 37596511040.
The previous prime is 70497490597. The next prime is 70497490643. The reversal of 70497490605 is 50609479407.
It is not a de Polignac number, because 70497490605 - 23 = 70497490597 is a prime.
It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
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, 156940 + ... + 406970.
It is an arithmetic number, because the mean of its divisors is an integer number (7050152304).
Almost surely, 270497490605 is an apocalyptic number.
It is an amenable number.
70497490605 is a deficient number, since it is larger than the sum of its proper divisors (42304946259).
70497490605 is a wasteful number, since it uses less digits than its factorization.
70497490605 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 268836.
The product of its (nonzero) digits is 1905120, while the sum is 51.
The spelling of 70497490605 in words is "seventy billion, four hundred ninety-seven million, four hundred ninety thousand, six hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •