Base | Representation |
---|---|
bin | 100111101110011101… |
… | …000011110001000111 |
3 | 11002002201110210021002 |
4 | 213232131003301013 |
5 | 1144324224110204 |
6 | 31332351043515 |
7 | 3040016034125 |
oct | 475635036107 |
9 | 132081423232 |
10 | 42655300679 |
11 | 170a9894812 |
12 | 832521059b |
13 | 403a2184b4 |
14 | 20c90c6915 |
15 | 1199b8c91e |
hex | 9ee743c47 |
42655300679 has 4 divisors (see below), whose sum is σ = 42813870840. Its totient is φ = 42496730520.
The previous prime is 42655300669. The next prime is 42655300697. The reversal of 42655300679 is 97600355624.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-42655300679 is a prime.
It is a super-2 number, since 2×426553006792 (a number of 22 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 (42655300669) 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, 79284677 + ... + 79285214.
It is an arithmetic number, because the mean of its divisors is an integer number (10703467710).
Almost surely, 242655300679 is an apocalyptic number.
42655300679 is a deficient number, since it is larger than the sum of its proper divisors (158570161).
42655300679 is a wasteful number, since it uses less digits than its factorization.
42655300679 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 158570160.
The product of its (nonzero) digits is 1360800, while the sum is 47.
Subtracting 42655300679 from its reverse (97600355624), we obtain a palindrome (54945054945).
The spelling of 42655300679 in words is "forty-two billion, six hundred fifty-five million, three hundred thousand, six hundred seventy-nine".
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