Base | Representation |
---|---|
bin | 101010011101101110111… |
… | …001100010000010110101 |
3 | 101022222020102120121001202 |
4 | 222131232321202002311 |
5 | 340302324200310042 |
6 | 10112324311502245 |
7 | 420554212243214 |
oct | 52355671420265 |
9 | 11288212517052 |
10 | 2918143369397 |
11 | a25639946643 |
12 | 3b1680387985 |
13 | 182244b6a8c9 |
14 | a134b74307b |
15 | 50d93282632 |
hex | 2a76ee620b5 |
2918143369397 has 4 divisors (see below), whose sum is σ = 2918446625760. Its totient is φ = 2917840113036.
The previous prime is 2918143369357. The next prime is 2918143369399. The reversal of 2918143369397 is 7939633418192.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2918143369397 - 224 = 2918126592181 is a prime.
It is a super-2 number, since 2×29181433693972 (a number of 26 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2918143369399) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151613747 + ... + 151632992.
It is an arithmetic number, because the mean of its divisors is an integer number (729611656440).
Almost surely, 22918143369397 is an apocalyptic number.
It is an amenable number.
2918143369397 is a deficient number, since it is larger than the sum of its proper divisors (303256363).
2918143369397 is an equidigital number, since it uses as much as digits as its factorization.
2918143369397 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 303256362.
The product of its digits is 52907904, while the sum is 65.
The spelling of 2918143369397 in words is "two trillion, nine hundred eighteen billion, one hundred forty-three million, three hundred sixty-nine thousand, three hundred ninety-seven".
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