Base | Representation |
---|---|
bin | 1001100010100… |
… | …00010011011101 |
3 | 12120120110202200 |
4 | 10301100103131 |
5 | 130441130301 |
6 | 11535042113 |
7 | 1661110335 |
oct | 461202335 |
9 | 176513680 |
10 | 80020701 |
11 | 41195812 |
12 | 22970339 |
13 | 13769937 |
14 | a8b00c5 |
15 | 7059c86 |
hex | 4c504dd |
80020701 has 12 divisors (see below), whose sum is σ = 116885340. Its totient is φ = 52747200.
The previous prime is 80020691. The next prime is 80020727. The reversal of 80020701 is 10702008.
It can be written as a sum of positive squares in 2 ways, for example, as 51408900 + 28611801 = 7170^2 + 5349^2 .
It is not a de Polignac number, because 80020701 - 26 = 80020637 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80020901) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49150 + ... + 50751.
It is an arithmetic number, because the mean of its divisors is an integer number (9740445).
Almost surely, 280020701 is an apocalyptic number.
It is an amenable number.
80020701 is a deficient number, since it is larger than the sum of its proper divisors (36864639).
80020701 is a wasteful number, since it uses less digits than its factorization.
80020701 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99996 (or 99993 counting only the distinct ones).
The product of its (nonzero) digits is 112, while the sum is 18.
The square root of 80020701 is about 8945.4290562275. The cubic root of 80020701 is about 430.9241005949.
Adding to 80020701 its reverse (10702008), we get a palindrome (90722709).
The spelling of 80020701 in words is "eighty million, twenty thousand, seven hundred one".
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