Base | Representation |
---|---|
bin | 1001100011010… |
… | …00110111101101 |
3 | 12120202120210111 |
4 | 10301220313231 |
5 | 131002340300 |
6 | 11541140021 |
7 | 1662006604 |
oct | 461506755 |
9 | 176676714 |
10 | 80121325 |
11 | 41254379 |
12 | 229ba611 |
13 | 137a368b |
14 | a8d8a3b |
15 | 70799ba |
hex | 4c68ded |
80121325 has 6 divisors (see below), whose sum is σ = 99350474. Its totient is φ = 64097040.
The previous prime is 80121281. The next prime is 80121337. The reversal of 80121325 is 52312108.
It can be written as a sum of positive squares in 3 ways, for example, as 2452356 + 77668969 = 1566^2 + 8813^2 .
It is not a de Polignac number, because 80121325 - 215 = 80088557 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 80121296 and 80121305.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1602402 + ... + 1602451.
Almost surely, 280121325 is an apocalyptic number.
It is an amenable number.
80121325 is a deficient number, since it is larger than the sum of its proper divisors (19229149).
80121325 is a wasteful number, since it uses less digits than its factorization.
80121325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3204863 (or 3204858 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 22.
The square root of 80121325 is about 8951.0516141960. The cubic root of 80121325 is about 431.1046503093.
The spelling of 80121325 in words is "eighty million, one hundred twenty-one thousand, three hundred twenty-five".
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