Base | Representation |
---|---|
bin | 1001101000111… |
… | …01111101111101 |
3 | 12122011021022200 |
4 | 10310131331331 |
5 | 131200104401 |
6 | 12005102113 |
7 | 2001216324 |
oct | 464357575 |
9 | 178137280 |
10 | 80863101 |
11 | 41710710 |
12 | 230b7939 |
13 | 139a31b7 |
14 | aa4d0bb |
15 | 7174686 |
hex | 4d1df7d |
80863101 has 48 divisors (see below), whose sum is σ = 140849280. Its totient is φ = 44098560.
The previous prime is 80863087. The next prime is 80863103. The reversal of 80863101 is 10136808.
It is not a de Polignac number, because 80863101 - 210 = 80862077 is a prime.
It is a super-2 number, since 2×808631012 = 13077682206672402, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80863103) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37665 + ... + 39753.
It is an arithmetic number, because the mean of its divisors is an integer number (2934360).
Almost surely, 280863101 is an apocalyptic number.
It is an amenable number.
80863101 is a deficient number, since it is larger than the sum of its proper divisors (59986179).
80863101 is a wasteful number, since it uses less digits than its factorization.
80863101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2146 (or 2143 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 27.
The square root of 80863101 is about 8992.3912837465. The cubic root of 80863101 is about 432.4309774357.
Adding to 80863101 its reverse (10136808), we get a palindrome (90999909).
The spelling of 80863101 in words is "eighty million, eight hundred sixty-three thousand, one hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •