Base | Representation |
---|---|
bin | 1111100000101… |
… | …0010010111001 |
3 | 11112102002011000 |
4 | 3320022102321 |
5 | 113123211011 |
6 | 10242155213 |
7 | 1416643314 |
oct | 370122271 |
9 | 145362130 |
10 | 65053881 |
11 | 337a2a42 |
12 | 19952b09 |
13 | 10629429 |
14 | 88d597b |
15 | 5aa0356 |
hex | 3e0a4b9 |
65053881 has 16 divisors (see below), whose sum is σ = 98982400. Its totient is φ = 42196464.
The previous prime is 65053871. The next prime is 65053889. The reversal of 65053881 is 18835056.
65053881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 65053881 - 26 = 65053817 is a prime.
It is a super-2 number, since 2×650538812 = 8464014866324322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (65053889) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31561 + ... + 33558.
It is an arithmetic number, because the mean of its divisors is an integer number (6186400).
Almost surely, 265053881 is an apocalyptic number.
It is an amenable number.
65053881 is a deficient number, since it is larger than the sum of its proper divisors (33928519).
65053881 is a wasteful number, since it uses less digits than its factorization.
65053881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65165 (or 65159 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 36.
The square root of 65053881 is about 8065.5986138662. The cubic root of 65053881 is about 402.1836429828.
The spelling of 65053881 in words is "sixty-five million, fifty-three thousand, eight hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •