Base | Representation |
---|---|
bin | 111011101011101011… |
… | …001011010011111111 |
3 | 20010102002102102111011 |
4 | 323223223023103333 |
5 | 2022220334201211 |
6 | 45234535540051 |
7 | 4426022550160 |
oct | 735353132377 |
9 | 203362372434 |
10 | 64083506431 |
11 | 251a551796a |
12 | 1050552a627 |
13 | 6073768c99 |
14 | 315cd43767 |
15 | 1a00ec0921 |
hex | eebacb4ff |
64083506431 has 8 divisors (see below), whose sum is σ = 73239828480. Its totient is φ = 54927568248.
The previous prime is 64083506419. The next prime is 64083506441. The reversal of 64083506431 is 13460538046.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 64083506431 - 27 = 64083506303 is a prime.
It is a super-2 number, since 2×640835064312 (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 (64083506441) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568590 + ... + 671908.
It is an arithmetic number, because the mean of its divisors is an integer number (9154978560).
Almost surely, 264083506431 is an apocalyptic number.
64083506431 is a deficient number, since it is larger than the sum of its proper divisors (9156322049).
64083506431 is a wasteful number, since it uses less digits than its factorization.
64083506431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 191933.
The product of its (nonzero) digits is 207360, while the sum is 40.
The spelling of 64083506431 in words is "sixty-four billion, eighty-three million, five hundred six thousand, four hundred thirty-one".
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