Base | Representation |
---|---|
bin | 1011000101110101011… |
… | …11111001010111111111 |
3 | 1100102122211112000212022 |
4 | 11202322233321113333 |
5 | 22220433100134444 |
6 | 451023114230355 |
7 | 36350525410250 |
oct | 5427257712777 |
9 | 1312584460768 |
10 | 381090239999 |
11 | 13768a561877 |
12 | 61a364253bb |
13 | 29c23aa7b41 |
14 | 146329d8b27 |
15 | 9da67369ee |
hex | 58babf95ff |
381090239999 has 8 divisors (see below), whose sum is σ = 441665952768. Its totient is φ = 322048089720.
The previous prime is 381090239983. The next prime is 381090240061. The reversal of 381090239999 is 999932090183.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 381090239999 - 24 = 381090239983 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (381090239909) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383390087 + ... + 383391080.
It is an arithmetic number, because the mean of its divisors is an integer number (55208244096).
Almost surely, 2381090239999 is an apocalyptic number.
381090239999 is a deficient number, since it is larger than the sum of its proper divisors (60575712769).
381090239999 is an equidigital number, since it uses as much as digits as its factorization.
381090239999 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 766781245.
The product of its (nonzero) digits is 8503056, while the sum is 62.
The spelling of 381090239999 in words is "three hundred eighty-one billion, ninety million, two hundred thirty-nine thousand, nine hundred ninety-nine".
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