Base | Representation |
---|---|
bin | 1000000000000… |
… | …10111111101100 |
3 | 11200022002212212 |
4 | 10000002333230 |
5 | 114140334012 |
6 | 10354345552 |
7 | 1443343301 |
oct | 400027754 |
9 | 150262785 |
10 | 67121132 |
11 | 34985111 |
12 | 1a58b2b8 |
13 | 10ba1360 |
14 | 8cb30a8 |
15 | 5d5cb22 |
hex | 4002fec |
67121132 has 12 divisors (see below), whose sum is σ = 126497616. Its totient is φ = 30978960.
The previous prime is 67121101. The next prime is 67121143. The reversal of 67121132 is 23112176.
It is a super-2 number, since 2×671211322 = 9010492721922848, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 67121098 and 67121107.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645344 + ... + 645447.
It is an arithmetic number, because the mean of its divisors is an integer number (10541468).
Almost surely, 267121132 is an apocalyptic number.
It is an amenable number.
67121132 is a deficient number, since it is larger than the sum of its proper divisors (59376484).
67121132 is a wasteful number, since it uses less digits than its factorization.
67121132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1290808 (or 1290806 counting only the distinct ones).
The product of its digits is 504, while the sum is 23.
The square root of 67121132 is about 8192.7487450794. The cubic root of 67121132 is about 406.3994305668.
The spelling of 67121132 in words is "sixty-seven million, one hundred twenty-one thousand, one hundred thirty-two".
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