Base | Representation |
---|---|
bin | 100101101100101010… |
… | …0000111000011110011 |
3 | 21201221220202022201201 |
4 | 1023121110013003303 |
5 | 2311244031321440 |
6 | 101105041512031 |
7 | 5564102012326 |
oct | 1133124070363 |
9 | 251856668651 |
10 | 80955338995 |
11 | 313731a6443 |
12 | 13833942617 |
13 | 7832035a6b |
14 | 3cbd9bc7bd |
15 | 218c2cc19a |
hex | 12d95070f3 |
80955338995 has 32 divisors (see below), whose sum is σ = 101267217792. Its totient is φ = 62075953152.
The previous prime is 80955338993. The next prime is 80955339037. The reversal of 80955338995 is 59983355908.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 80955338995 - 21 = 80955338993 is a prime.
It is a super-2 number, since 2×809553389952 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80955338993) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3666609 + ... + 3688621.
It is an arithmetic number, because the mean of its divisors is an integer number (3164600556).
Almost surely, 280955338995 is an apocalyptic number.
80955338995 is a deficient number, since it is larger than the sum of its proper divisors (20311878797).
80955338995 is a wasteful number, since it uses less digits than its factorization.
80955338995 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22351.
The product of its (nonzero) digits is 52488000, while the sum is 64.
The spelling of 80955338995 in words is "eighty billion, nine hundred fifty-five million, three hundred thirty-eight thousand, nine hundred ninety-five".
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