Base | Representation |
---|---|
bin | 100101101000011110… |
… | …0000100101011101010 |
3 | 21201121010100020000020 |
4 | 1023100330010223222 |
5 | 2311002043220244 |
6 | 101043102021310 |
7 | 5560444431222 |
oct | 1132074045352 |
9 | 251533306006 |
10 | 80814820074 |
11 | 3130094a4aa |
12 | 137b4877836 |
13 | 780bba6481 |
14 | 3ca9081082 |
15 | 217ecc1d19 |
hex | 12d0f04aea |
80814820074 has 32 divisors (see below), whose sum is σ = 163702840320. Its totient is φ = 26592853872.
The previous prime is 80814820027. The next prime is 80814820117. The reversal of 80814820074 is 47002841808.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4079317 + ... + 4099079.
It is an arithmetic number, because the mean of its divisors is an integer number (5115713760).
Almost surely, 280814820074 is an apocalyptic number.
80814820074 is an abundant number, since it is smaller than the sum of its proper divisors (82888020246).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80814820074 is a wasteful number, since it uses less digits than its factorization.
80814820074 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28474.
The product of its (nonzero) digits is 114688, while the sum is 42.
The spelling of 80814820074 in words is "eighty billion, eight hundred fourteen million, eight hundred twenty thousand, seventy-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •