Base | Representation |
---|---|
bin | 100111011010001101… |
… | …011100101010001101 |
3 | 11001020001101110100022 |
4 | 213122031130222031 |
5 | 1143130302222023 |
6 | 31234535311525 |
7 | 3025423131560 |
oct | 473215345215 |
9 | 131201343308 |
10 | 42315664013 |
11 | 16a450a8757 |
12 | 824b51b5a5 |
13 | 3cb4a5035c |
14 | 2095d564d7 |
15 | 1179e4e7c8 |
hex | 9da35ca8d |
42315664013 has 4 divisors (see below), whose sum is σ = 48360758880. Its totient is φ = 36270569148.
The previous prime is 42315663977. The next prime is 42315664031. The reversal of 42315664013 is 31046651324.
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 42315664013 - 210 = 42315662989 is a prime.
It is a super-2 number, since 2×423156640132 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42315664033) 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 3 ways as a sum of consecutive naturals, for example, 3022547423 + ... + 3022547436.
It is an arithmetic number, because the mean of its divisors is an integer number (12090189720).
Almost surely, 242315664013 is an apocalyptic number.
It is an amenable number.
42315664013 is a deficient number, since it is larger than the sum of its proper divisors (6045094867).
42315664013 is an equidigital number, since it uses as much as digits as its factorization.
42315664013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6045094866.
The product of its (nonzero) digits is 51840, while the sum is 35.
The spelling of 42315664013 in words is "forty-two billion, three hundred fifteen million, six hundred sixty-four thousand, thirteen".
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