Base | Representation |
---|---|
bin | 111011110111101000… |
… | …101110111100111110 |
3 | 20010221002001100010021 |
4 | 323313220232330332 |
5 | 2023123223130244 |
6 | 45310505202354 |
7 | 4434010423030 |
oct | 736750567476 |
9 | 203832040107 |
10 | 64284192574 |
11 | 25298829388 |
12 | 105607903ba |
13 | 60a6203694 |
14 | 317b863c50 |
15 | 1a13913284 |
hex | ef7a2ef3e |
64284192574 has 32 divisors (see below), whose sum is σ = 112650243840. Its totient is φ = 26943017472.
The previous prime is 64284192569. The next prime is 64284192619. The reversal of 64284192574 is 47529148246.
It is a super-2 number, since 2×642841925742 (a number of 22 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42204 + ... + 361039.
It is an arithmetic number, because the mean of its divisors is an integer number (3520320120).
Almost surely, 264284192574 is an apocalyptic number.
64284192574 is a deficient number, since it is larger than the sum of its proper divisors (48366051266).
64284192574 is a wasteful number, since it uses less digits than its factorization.
64284192574 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 403504.
The product of its digits is 3870720, while the sum is 52.
The spelling of 64284192574 in words is "sixty-four billion, two hundred eighty-four million, one hundred ninety-two thousand, five hundred seventy-four".
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