Base | Representation |
---|---|
bin | 100110000110110100… |
… | …1100001110111100110 |
3 | 21211020002220212112211 |
4 | 1030031221201313212 |
5 | 2320043320302222 |
6 | 101332125034034 |
7 | 5624623105624 |
oct | 1141551416746 |
9 | 254202825484 |
10 | 81833369062 |
11 | 31783892425 |
12 | 13a399b591a |
13 | 7941c09493 |
14 | 3d6445a514 |
15 | 21de419277 |
hex | 130da61de6 |
81833369062 has 16 divisors (see below), whose sum is σ = 123184152000. Its totient is φ = 40772188480.
The previous prime is 81833368879. The next prime is 81833369119. The reversal of 81833369062 is 26096333818.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 81833368997 and 81833369015.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 765987 + ... + 866257.
It is an arithmetic number, because the mean of its divisors is an integer number (7699009500).
Almost surely, 281833369062 is an apocalyptic number.
81833369062 is a deficient number, since it is larger than the sum of its proper divisors (41350782938).
81833369062 is a wasteful number, since it uses less digits than its factorization.
81833369062 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101711.
The product of its (nonzero) digits is 1119744, while the sum is 49.
The spelling of 81833369062 in words is "eighty-one billion, eight hundred thirty-three million, three hundred sixty-nine thousand, sixty-two".
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