Base | Representation |
---|---|
bin | 100000101011110000… |
… | …1110001101011111001 |
3 | 20201011112000020011000 |
4 | 1001113201301223321 |
5 | 2122221103330133 |
6 | 52124403155213 |
7 | 5033215502214 |
oct | 1012741615371 |
9 | 221145006130 |
10 | 70187948793 |
11 | 278482a3856 |
12 | 11729975b09 |
13 | 6807372561 |
14 | 357b97c77b |
15 | 1c5bd89413 |
hex | 1057871af9 |
70187948793 has 16 divisors (see below), whose sum is σ = 106792476160. Its totient is φ = 45527317488.
The previous prime is 70187948729. The next prime is 70187948801. The reversal of 70187948793 is 39784978107.
70187948793 is a `hidden beast` number, since 70 + 1 + 87 + 9 + 487 + 9 + 3 = 666.
It is not a de Polignac number, because 70187948793 - 26 = 70187948729 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 70187948793.
It is not an unprimeable number, because it can be changed into a prime (70187948723) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35128105 + ... + 35130102.
It is an arithmetic number, because the mean of its divisors is an integer number (6674529760).
Almost surely, 270187948793 is an apocalyptic number.
It is an amenable number.
70187948793 is a deficient number, since it is larger than the sum of its proper divisors (36604527367).
70187948793 is a wasteful number, since it uses less digits than its factorization.
70187948793 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70258253 (or 70258247 counting only the distinct ones).
The product of its (nonzero) digits is 21337344, while the sum is 63.
The spelling of 70187948793 in words is "seventy billion, one hundred eighty-seven million, nine hundred forty-eight thousand, seven hundred ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •