Base | Representation |
---|---|
bin | 100101100011011110… |
… | …1110011010011010100 |
3 | 21201011110111112101221 |
4 | 1023012331303103110 |
5 | 2310131230013022 |
6 | 101014323500124 |
7 | 5553343306441 |
oct | 1130675632324 |
9 | 251143445357 |
10 | 80647501012 |
11 | 31225459191 |
12 | 13768827644 |
13 | 77b3322500 |
14 | 3c90b689c8 |
15 | 2170270cc7 |
hex | 12c6f734d4 |
80647501012 has 36 divisors (see below), whose sum is σ = 153129100320. Its totient is φ = 37147767072.
The previous prime is 80647500971. The next prime is 80647501027. The reversal of 80647501012 is 21010574608.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221439 + ... + 458617.
It is an arithmetic number, because the mean of its divisors is an integer number (4253586120).
Almost surely, 280647501012 is an apocalyptic number.
It is an amenable number.
80647501012 is a deficient number, since it is larger than the sum of its proper divisors (72481599308).
80647501012 is a wasteful number, since it uses less digits than its factorization.
80647501012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 237712 (or 237697 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 34.
The spelling of 80647501012 in words is "eighty billion, six hundred forty-seven million, five hundred one thousand, twelve".
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