Base | Representation |
---|---|
bin | 111001100010000101… |
… | …000101001010110001 |
3 | 12220110012122020111221 |
4 | 321202011011022301 |
5 | 2003003402304301 |
6 | 44213513305041 |
7 | 4314562120636 |
oct | 714205051261 |
9 | 186405566457 |
10 | 61775041201 |
11 | 24220444865 |
12 | bb80405181 |
13 | 5a9641ba23 |
14 | 2dc051018d |
15 | 19184cada1 |
hex | e621452b1 |
61775041201 has 8 divisors (see below), whose sum is σ = 65446860384. Its totient is φ = 58107443520.
The previous prime is 61775041129. The next prime is 61775041217. The reversal of 61775041201 is 10214057716.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 61775041201 - 211 = 61775039153 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (61775041261) 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, 1025215 + ... + 1083796.
It is an arithmetic number, because the mean of its divisors is an integer number (8180857548).
Almost surely, 261775041201 is an apocalyptic number.
It is an amenable number.
61775041201 is a deficient number, since it is larger than the sum of its proper divisors (3671819183).
61775041201 is a wasteful number, since it uses less digits than its factorization.
61775041201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2110751.
The product of its (nonzero) digits is 11760, while the sum is 34.
Adding to 61775041201 its reverse (10214057716), we get a palindrome (71989098917).
The spelling of 61775041201 in words is "sixty-one billion, seven hundred seventy-five million, forty-one thousand, two hundred one".
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