Base | Representation |
---|---|
bin | 100101010101111111… |
… | …1001011011000101010 |
3 | 21122222220210211221112 |
4 | 1022223333023120222 |
5 | 2303214342030340 |
6 | 100501354310322 |
7 | 5536206131015 |
oct | 1125377133052 |
9 | 248886724845 |
10 | 80194876970 |
11 | 31012a1002a |
12 | 136611283a2 |
13 | 7740617330 |
14 | 3c4a9c637c |
15 | 2145665065 |
hex | 12abfcb62a |
80194876970 has 16 divisors (see below), whose sum is σ = 155454684840. Its totient is φ = 29610416064.
The previous prime is 80194876967. The next prime is 80194876991. The reversal of 80194876970 is 7967849108.
It is a Cunningham number, because it is equal to 2831872+1.
It can be written as a sum of positive squares in 4 ways, for example, as 59524776529 + 20670100441 = 243977^2 + 143771^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308441705 + ... + 308441964.
Almost surely, 280194876970 is an apocalyptic number.
80194876970 is a deficient number, since it is larger than the sum of its proper divisors (75259807870).
80194876970 is a wasteful number, since it uses less digits than its factorization.
80194876970 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 616883689.
The product of its (nonzero) digits is 6096384, while the sum is 59.
The spelling of 80194876970 in words is "eighty billion, one hundred ninety-four million, eight hundred seventy-six thousand, nine hundred seventy".
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