Base | Representation |
---|---|
bin | 1011000100110110100111… |
… | …0001011100100110100100 |
3 | 1121010012120020101012210211 |
4 | 2301031221301130212210 |
5 | 3044011024223312202 |
6 | 41522255450425204 |
7 | 2364555235215334 |
oct | 261155161344644 |
9 | 47105506335724 |
10 | 12178006854052 |
11 | 3975733430a26 |
12 | 1448219a32204 |
13 | 6a44c5419720 |
14 | 3015c0bc50c4 |
15 | 161ba066c1d7 |
hex | b1369c5c9a4 |
12178006854052 has 48 divisors (see below), whose sum is σ = 24401743681392. Its totient is φ = 5268043653120.
The previous prime is 12178006854047. The next prime is 12178006854053. The reversal of 12178006854052 is 25045860087121.
It can be written as a sum of positive squares in 8 ways, for example, as 308975892736 + 11869030961316 = 555856^2 + 3445146^2 .
It is a junction number, because it is equal to n+sod(n) for n = 12178006853987 and 12178006854005.
It is not an unprimeable number, because it can be changed into a prime (12178006854053) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28367923 + ... + 28794010.
It is an arithmetic number, because the mean of its divisors is an integer number (508369660029).
Almost surely, 212178006854052 is an apocalyptic number.
It is an amenable number.
12178006854052 is an abundant number, since it is smaller than the sum of its proper divisors (12223736827340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12178006854052 is a wasteful number, since it uses less digits than its factorization.
12178006854052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57162208 (or 57162206 counting only the distinct ones).
The product of its (nonzero) digits is 1075200, while the sum is 49.
The spelling of 12178006854052 in words is "twelve trillion, one hundred seventy-eight billion, six million, eight hundred fifty-four thousand, fifty-two".
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