Base | Representation |
---|---|
bin | 100001000011001101… |
… | …0000010000100100010 |
3 | 20210012022221112002210 |
4 | 1002012122002010202 |
5 | 2130323424313111 |
6 | 52334420422550 |
7 | 5061545565435 |
oct | 1020632020442 |
9 | 223168845083 |
10 | 70974447906 |
11 | 2811125321a |
12 | 11909247a56 |
13 | 69012a924b |
14 | 36141d181c |
15 | 1ca5e460a6 |
hex | 1086682122 |
70974447906 has 32 divisors (see below), whose sum is σ = 145494030528. Its totient is φ = 23074286400.
The previous prime is 70974447871. The next prime is 70974447911. The reversal of 70974447906 is 60974447907.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 833425 + ... + 914628.
It is an arithmetic number, because the mean of its divisors is an integer number (4546688454).
Almost surely, 270974447906 is an apocalyptic number.
70974447906 is an abundant number, since it is smaller than the sum of its proper divisors (74519582622).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70974447906 is a wasteful number, since it uses less digits than its factorization.
70974447906 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1748226.
The product of its (nonzero) digits is 10668672, while the sum is 57.
Subtracting from 70974447906 its reverse (60974447907), we obtain a palindrome (9999999999).
The spelling of 70974447906 in words is "seventy billion, nine hundred seventy-four million, four hundred forty-seven thousand, nine hundred six".
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