Base | Representation |
---|---|
bin | 100000101011110110… |
… | …1011001010110101101 |
3 | 20201011201201222120100 |
4 | 1001113231121112231 |
5 | 2122222343313421 |
6 | 52124552341313 |
7 | 5033253416661 |
oct | 1012755312655 |
9 | 221151658510 |
10 | 70190994861 |
11 | 27849a94369 |
12 | 1172a9a4839 |
13 | 6807b9ab70 |
14 | 357c1328a1 |
15 | 1c5c28bc26 |
hex | 1057b595ad |
70190994861 has 24 divisors (see below), whose sum is σ = 111036612960. Its totient is φ = 42462344736.
The previous prime is 70190994859. The next prime is 70190994893. The reversal of 70190994861 is 16849909107.
70190994861 is a `hidden beast` number, since 70 + 1 + 9 + 0 + 99 + 486 + 1 = 666.
It is not a de Polignac number, because 70190994861 - 21 = 70190994859 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 70190994798 and 70190994807.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70190994061) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5077191 + ... + 5090996.
It is an arithmetic number, because the mean of its divisors is an integer number (4626525540).
Almost surely, 270190994861 is an apocalyptic number.
It is an amenable number.
70190994861 is a deficient number, since it is larger than the sum of its proper divisors (40845618099).
70190994861 is a wasteful number, since it uses less digits than its factorization.
70190994861 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10168265 (or 10168262 counting only the distinct ones).
The product of its (nonzero) digits is 979776, while the sum is 54.
The spelling of 70190994861 in words is "seventy billion, one hundred ninety million, nine hundred ninety-four thousand, eight hundred sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •