Base | Representation |
---|---|
bin | 111100011001100110… |
… | …110011110101001011 |
3 | 20012101210110022210211 |
4 | 330121212303311023 |
5 | 2030310123113421 |
6 | 45443224421551 |
7 | 4454100604300 |
oct | 743146636513 |
9 | 205353408724 |
10 | 64854113611 |
11 | 25560502501 |
12 | 1069b6178b7 |
13 | 61672ca371 |
14 | 31d341b0a7 |
15 | 1a4898d9e1 |
hex | f199b3d4b |
64854113611 has 12 divisors (see below), whose sum is σ = 77876172480. Its totient is φ = 53796037680.
The previous prime is 64854113567. The next prime is 64854113627. The reversal of 64854113611 is 11631145846.
It is not a de Polignac number, because 64854113611 - 215 = 64854080843 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (64854113641) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21346116 + ... + 21349153.
It is an arithmetic number, because the mean of its divisors is an integer number (6489681040).
Almost surely, 264854113611 is an apocalyptic number.
64854113611 is a deficient number, since it is larger than the sum of its proper divisors (13022058869).
64854113611 is a wasteful number, since it uses less digits than its factorization.
64854113611 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42695314 (or 42695307 counting only the distinct ones).
The product of its digits is 69120, while the sum is 40.
The spelling of 64854113611 in words is "sixty-four billion, eight hundred fifty-four million, one hundred thirteen thousand, six hundred eleven".
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