Base | Representation |
---|---|
bin | 111000110111001010… |
… | …100011010100111010 |
3 | 12211121000212011100100 |
4 | 320313022203110322 |
5 | 2000020043231122 |
6 | 44014233420230 |
7 | 4261000256163 |
oct | 706712432472 |
9 | 184530764310 |
10 | 61055055162 |
11 | 23990a94682 |
12 | b9bb26a676 |
13 | 59b020269a |
14 | 2d52a5276a |
15 | 18c51abaac |
hex | e372a353a |
61055055162 has 96 divisors (see below), whose sum is σ = 137164115088. Its totient is φ = 19612689408.
The previous prime is 61055055097. The next prime is 61055055163. The reversal of 61055055162 is 26155055016.
It can be written as a sum of positive squares in 8 ways, for example, as 33866672841 + 27188382321 = 184029^2 + 164889^2 .
It is not an unprimeable number, because it can be changed into a prime (61055055163) by changing a digit.
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 47 ways as a sum of consecutive naturals, for example, 36062388 + ... + 36064080.
Almost surely, 261055055162 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 61055055162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68582057544).
61055055162 is an abundant number, since it is smaller than the sum of its proper divisors (76109059926).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61055055162 is a wasteful number, since it uses less digits than its factorization.
61055055162 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2224 (or 2221 counting only the distinct ones).
The product of its (nonzero) digits is 45000, while the sum is 36.
The spelling of 61055055162 in words is "sixty-one billion, fifty-five million, fifty-five thousand, one hundred sixty-two".
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