Base | Representation |
---|---|
bin | 111001000100101110… |
… | …100110001111101001 |
3 | 12212011220001001022010 |
4 | 321010232212033221 |
5 | 2001001321424410 |
6 | 44053002550133 |
7 | 4266432400635 |
oct | 710456461751 |
9 | 185156031263 |
10 | 61282608105 |
11 | 23a98486564 |
12 | ba63508349 |
13 | 5a183b5bb4 |
14 | 2d74d67dc5 |
15 | 18da159c20 |
hex | e44ba63e9 |
61282608105 has 16 divisors (see below), whose sum is σ = 99063022464. Its totient is φ = 32347107840.
The previous prime is 61282608089. The next prime is 61282608169. The reversal of 61282608105 is 50180628216.
It is not a de Polignac number, because 61282608105 - 24 = 61282608089 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21057861 + ... + 21060770.
It is an arithmetic number, because the mean of its divisors is an integer number (6191438904).
Almost surely, 261282608105 is an apocalyptic number.
It is an amenable number.
61282608105 is a deficient number, since it is larger than the sum of its proper divisors (37780414359).
61282608105 is a wasteful number, since it uses less digits than its factorization.
61282608105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42118736.
The product of its (nonzero) digits is 46080, while the sum is 39.
The spelling of 61282608105 in words is "sixty-one billion, two hundred eighty-two million, six hundred eight thousand, one hundred five".
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