Base | Representation |
---|---|
bin | 1011000100011111110… |
… | …11100000111010000001 |
3 | 1100100210202202210220220 |
4 | 11202033323200322001 |
5 | 22213000144141332 |
6 | 450423533053253 |
7 | 36323653336161 |
oct | 5421773407201 |
9 | 1310722683826 |
10 | 380371865217 |
11 | 137351002203 |
12 | 61875927229 |
13 | 29b3b003cc6 |
14 | 145a543a5a1 |
15 | 9d63634d2c |
hex | 588fee0e81 |
380371865217 has 16 divisors (see below), whose sum is σ = 537099276672. Its totient is φ = 238618609920.
The previous prime is 380371865201. The next prime is 380371865261. The reversal of 380371865217 is 712568173083.
It is not a de Polignac number, because 380371865217 - 24 = 380371865201 is a prime.
It is a super-2 number, since 2×3803718652172 (a number of 24 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is a self number, because there is not a number n which added to its sum of digits gives 380371865217.
It is not an unprimeable number, because it can be changed into a prime (380371865617) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 452509 + ... + 982602.
It is an arithmetic number, because the mean of its divisors is an integer number (33568704792).
Almost surely, 2380371865217 is an apocalyptic number.
It is an amenable number.
380371865217 is a deficient number, since it is larger than the sum of its proper divisors (156727411455).
380371865217 is a wasteful number, since it uses less digits than its factorization.
380371865217 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1440328.
The product of its (nonzero) digits is 1693440, while the sum is 51.
The spelling of 380371865217 in words is "three hundred eighty billion, three hundred seventy-one million, eight hundred sixty-five thousand, two hundred seventeen".
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