Base | Representation |
---|---|
bin | 1011000101010100101… |
… | …10001111110110001101 |
3 | 1100101221122202111110112 |
4 | 11202222112033312031 |
5 | 22214402130041340 |
6 | 450535524445405 |
7 | 36340644531053 |
oct | 5425226176615 |
9 | 1311848674415 |
10 | 380815080845 |
11 | 137559204711 |
12 | 6197a249865 |
13 | 29baba96984 |
14 | 146082501d3 |
15 | 9d8c4d3065 |
hex | 58aa58fd8d |
380815080845 has 8 divisors (see below), whose sum is σ = 461502633240. Its totient is φ = 301635707200.
The previous prime is 380815080827. The next prime is 380815080847. The reversal of 380815080845 is 548080518083.
It can be written as a sum of positive squares in 4 ways, for example, as 157559775844 + 223255305001 = 396938^2 + 472499^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 380815080845 - 26 = 380815080781 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 380815080793 and 380815080802.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (380815080847) 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, 377044130 + ... + 377045139.
It is an arithmetic number, because the mean of its divisors is an integer number (57687829155).
Almost surely, 2380815080845 is an apocalyptic number.
It is an amenable number.
380815080845 is a deficient number, since it is larger than the sum of its proper divisors (80687552395).
380815080845 is a wasteful number, since it uses less digits than its factorization.
380815080845 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 754089375.
The product of its (nonzero) digits is 1228800, while the sum is 50.
The spelling of 380815080845 in words is "three hundred eighty billion, eight hundred fifteen million, eighty thousand, eight hundred forty-five".
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