Base | Representation |
---|---|
bin | 1100111000110011… |
… | …01100110010000111 |
3 | 122212012020002010021 |
4 | 12130121230302013 |
5 | 103132222400043 |
6 | 3102321040011 |
7 | 333313050646 |
oct | 63431546207 |
9 | 18765202107 |
10 | 6918950023 |
11 | 2a30626617 |
12 | 1411186007 |
13 | 86359898b |
14 | 498c9d35d |
15 | 2a76593ed |
hex | 19c66cc87 |
6918950023 has 4 divisors (see below), whose sum is σ = 6919154368. Its totient is φ = 6918745680.
The previous prime is 6918950021. The next prime is 6918950029. The reversal of 6918950023 is 3200598196.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 6918950023 - 21 = 6918950021 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 (6918950021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37911 + ... + 123592.
It is an arithmetic number, because the mean of its divisors is an integer number (1729788592).
Almost surely, 26918950023 is an apocalyptic number.
6918950023 is a deficient number, since it is larger than the sum of its proper divisors (204345).
6918950023 is a wasteful number, since it uses less digits than its factorization.
6918950023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 204344.
The product of its (nonzero) digits is 116640, while the sum is 43.
The square root of 6918950023 is about 83180.2261538161. The cubic root of 6918950023 is about 1905.5195018389.
The spelling of 6918950023 in words is "six billion, nine hundred eighteen million, nine hundred fifty thousand, twenty-three".
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