Base | Representation |
---|---|
bin | 100111010000100101… |
… | …111001110010010101 |
3 | 11000210210202110010011 |
4 | 213100211321302111 |
5 | 1142313000140423 |
6 | 31210533000221 |
7 | 3021423442303 |
oct | 472045716225 |
9 | 130723673104 |
10 | 42154302613 |
11 | 16972006525 |
12 | 8205483071 |
13 | 3c8a4a4037 |
14 | 207c751273 |
15 | 116abc8b0d |
hex | 9d0979c95 |
42154302613 has 4 divisors (see below), whose sum is σ = 42219862048. Its totient is φ = 42088743180.
The previous prime is 42154302611. The next prime is 42154302629. The reversal of 42154302613 is 31620345124.
42154302613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 42154302613 - 21 = 42154302611 is a prime.
It is a super-3 number, since 3×421543026133 (a number of 33 digits) contains 333 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 (42154302611) 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, 32778753 + ... + 32780038.
It is an arithmetic number, because the mean of its divisors is an integer number (10554965512).
Almost surely, 242154302613 is an apocalyptic number.
It is an amenable number.
42154302613 is a deficient number, since it is larger than the sum of its proper divisors (65559435).
42154302613 is an equidigital number, since it uses as much as digits as its factorization.
42154302613 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65559434.
The product of its (nonzero) digits is 17280, while the sum is 31.
Adding to 42154302613 its reverse (31620345124), we get a palindrome (73774647737).
The spelling of 42154302613 in words is "forty-two billion, one hundred fifty-four million, three hundred two thousand, six hundred thirteen".
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