Base | Representation |
---|---|
bin | 100101100011000001… |
… | …0011011001111111111 |
3 | 21201010101012202012222 |
4 | 1023012002123033333 |
5 | 2310113233422444 |
6 | 101013010115555 |
7 | 5553064101416 |
oct | 1130602331777 |
9 | 251111182188 |
10 | 80631935999 |
11 | 31217697a3a |
12 | 1376357bbbb |
13 | 77b0032944 |
14 | 3c8ca7647d |
15 | 216dbe8eee |
hex | 12c609b3ff |
80631935999 has 8 divisors (see below), whose sum is σ = 82261859040. Its totient is φ = 79006034016.
The previous prime is 80631935941. The next prime is 80631936031. The reversal of 80631935999 is 99953913608.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 80631935999 - 28 = 80631935743 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80631935299) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 964739 + ... + 1044980.
It is an arithmetic number, because the mean of its divisors is an integer number (10282732380).
Almost surely, 280631935999 is an apocalyptic number.
80631935999 is a deficient number, since it is larger than the sum of its proper divisors (1629923041).
80631935999 is a wasteful number, since it uses less digits than its factorization.
80631935999 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2010529.
The product of its (nonzero) digits is 14171760, while the sum is 62.
The spelling of 80631935999 in words is "eighty billion, six hundred thirty-one million, nine hundred thirty-five thousand, nine hundred ninety-nine".
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