Base | Representation |
---|---|
bin | 1110100100011… |
… | …1101101000100 |
3 | 11020222202200101 |
4 | 3221013231010 |
5 | 111121023413 |
6 | 10021453444 |
7 | 1341302332 |
oct | 351075504 |
9 | 136882611 |
10 | 61111108 |
11 | 3154a753 |
12 | 18571284 |
13 | c878926 |
14 | 818ab52 |
15 | 5571edd |
hex | 3a47b44 |
61111108 has 6 divisors (see below), whose sum is σ = 106944446. Its totient is φ = 30555552.
The previous prime is 61111103. The next prime is 61111111. The reversal of 61111108 is 80111116.
61111108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 32467204 + 28643904 = 5698^2 + 5352^2 .
It is not an unprimeable number, because it can be changed into a prime (61111103) 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 as a sum of consecutive naturals, namely, 7638885 + ... + 7638892.
Almost surely, 261111108 is an apocalyptic number.
It is an amenable number.
61111108 is a deficient number, since it is larger than the sum of its proper divisors (45833338).
61111108 is a wasteful number, since it uses less digits than its factorization.
61111108 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15277781 (or 15277779 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 19.
The square root of 61111108 is about 7817.3594007184. The cubic root of 61111108 is about 393.8885768050. Note that the first 3 decimals are identical.
The spelling of 61111108 in words is "sixty-one million, one hundred eleven thousand, one hundred eight".
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