Base | Representation |
---|---|
bin | 100001011011111111… |
… | …0011101010011001001 |
3 | 20212100021210211010220 |
4 | 1002313332131103021 |
5 | 2134024324031301 |
6 | 52553125300253 |
7 | 5121264416412 |
oct | 1026776352311 |
9 | 225307724126 |
10 | 71806080201 |
11 | 284a8729939 |
12 | 11abb864689 |
13 | 6a0468606b |
14 | 3692832809 |
15 | 1d03e6a936 |
hex | 10b7f9d4c9 |
71806080201 has 32 divisors (see below), whose sum is σ = 105621888000. Its totient is φ = 43189806528.
The previous prime is 71806080191. The next prime is 71806080233. The reversal of 71806080201 is 10208060817.
It is a happy number.
It is not a de Polignac number, because 71806080201 - 215 = 71806047433 is a prime.
It is a super-2 number, since 2×718060802012 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (71806080001) 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, 180630 + ... + 419808.
It is an arithmetic number, because the mean of its divisors is an integer number (3300684000).
Almost surely, 271806080201 is an apocalyptic number.
It is an amenable number.
71806080201 is a deficient number, since it is larger than the sum of its proper divisors (33815807799).
71806080201 is a wasteful number, since it uses less digits than its factorization.
71806080201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 239453.
The product of its (nonzero) digits is 5376, while the sum is 33.
The spelling of 71806080201 in words is "seventy-one billion, eight hundred six million, eighty thousand, two hundred one".
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