Base | Representation |
---|---|
bin | 101011010011000011101010… |
… | …0110100010110011001001101 |
3 | 1211221111000112100011212000202 |
4 | 1112212013110310112121031 |
5 | 344404331232103444323 |
6 | 3430000343425303245 |
7 | 143135406624341444 |
oct | 12646072464263115 |
9 | 1757430470155022 |
10 | 380851205531213 |
11 | 1003950a882a89a |
12 | 3686b622194b25 |
13 | 134681649633a1 |
14 | 6a09422211d5b |
15 | 2e06c31badd28 |
hex | 15a61d4d1664d |
380851205531213 has 2 divisors, whose sum is σ = 380851205531214. Its totient is φ = 380851205531212.
The previous prime is 380851205531171. The next prime is 380851205531221. The reversal of 380851205531213 is 312135502158083.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 370784177643049 + 10067027888164 = 19255757^2 + 3172858^2 .
It is a cyclic number.
It is not a de Polignac number, because 380851205531213 - 210 = 380851205530189 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (380851205531243) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190425602765606 + 190425602765607.
It is an arithmetic number, because the mean of its divisors is an integer number (190425602765607).
Almost surely, 2380851205531213 is an apocalyptic number.
It is an amenable number.
380851205531213 is a deficient number, since it is larger than the sum of its proper divisors (1).
380851205531213 is an equidigital number, since it uses as much as digits as its factorization.
380851205531213 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 864000, while the sum is 47.
Adding to 380851205531213 its reverse (312135502158083), we get a palindrome (692986707689296).
The spelling of 380851205531213 in words is "three hundred eighty trillion, eight hundred fifty-one billion, two hundred five million, five hundred thirty-one thousand, two hundred thirteen".
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