Base | Representation |
---|---|
bin | 1001010100000… |
… | …11011110111110 |
3 | 12110000120120120 |
4 | 10222003132332 |
5 | 130000230212 |
6 | 11430355410 |
7 | 1636056351 |
oct | 452033676 |
9 | 173016516 |
10 | 78133182 |
11 | 40116686 |
12 | 221bbb66 |
13 | 1325876a |
14 | a53c298 |
15 | 6cd588c |
hex | 4a837be |
78133182 has 16 divisors (see below), whose sum is σ = 156442752. Its totient is φ = 26015000.
The previous prime is 78133177. The next prime is 78133217. The reversal of 78133182 is 28133187.
It is a super-2 number, since 2×781331822 = 12209588258890248, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1194 + ... + 12557.
It is an arithmetic number, because the mean of its divisors is an integer number (9777672).
Almost surely, 278133182 is an apocalyptic number.
78133182 is an abundant number, since it is smaller than the sum of its proper divisors (78309570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78133182 is a wasteful number, since it uses less digits than its factorization.
78133182 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14703.
The product of its digits is 8064, while the sum is 33.
The square root of 78133182 is about 8839.2975965288. The cubic root of 78133182 is about 427.5089099063.
The spelling of 78133182 in words is "seventy-eight million, one hundred thirty-three thousand, one hundred eighty-two".
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