Base | Representation |
---|---|
bin | 101111000010010001100… |
… | …1001101101110111111111 |
3 | 211220000001012110102121222 |
4 | 1132010203021231313333 |
5 | 1321403311433431424 |
6 | 21425431334543555 |
7 | 1235021502242114 |
oct | 136044311556777 |
9 | 24800035412558 |
10 | 6464515530239 |
11 | 207264953a588 |
12 | 884a49207bbb |
13 | 37b7a7aab8b0 |
14 | 184c5443490b |
15 | b325473de5e |
hex | 5e12326ddff |
6464515530239 has 16 divisors (see below), whose sum is σ = 6991579271712. Its totient is φ = 5941725954048.
The previous prime is 6464515530233. The next prime is 6464515530257. The reversal of 6464515530239 is 9320355154646.
6464515530239 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 6464515530239 - 24 = 6464515530223 is a prime.
It is a super-2 number, since 2×64645155302392 (a number of 26 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 (6464515530233) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8290112 + ... + 9036314.
It is an arithmetic number, because the mean of its divisors is an integer number (436973704482).
Almost surely, 26464515530239 is an apocalyptic number.
6464515530239 is a deficient number, since it is larger than the sum of its proper divisors (527063741473).
6464515530239 is a wasteful number, since it uses less digits than its factorization.
6464515530239 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 749066.
The product of its (nonzero) digits is 11664000, while the sum is 53.
The spelling of 6464515530239 in words is "six trillion, four hundred sixty-four billion, five hundred fifteen million, five hundred thirty thousand, two hundred thirty-nine".
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