Base | Representation |
---|---|
bin | 111001101000100010… |
… | …100011010111100010 |
3 | 12220201202120222111121 |
4 | 321220202203113202 |
5 | 2003214124232440 |
6 | 44232344402454 |
7 | 4320346323226 |
oct | 715042432742 |
9 | 186652528447 |
10 | 61883430370 |
11 | 24276646193 |
12 | bbb077642a |
13 | 5ab2a0bb28 |
14 | 2dd0a86786 |
15 | 1922c8b34a |
hex | e688a35e2 |
61883430370 has 32 divisors (see below), whose sum is σ = 112119949872. Its totient is φ = 24591420672.
The previous prime is 61883430353. The next prime is 61883430377. The reversal of 61883430370 is 7303438816.
It can be written as a sum of positive squares in 8 ways, for example, as 61374612121 + 508818249 = 247739^2 + 22557^2 .
It is not an unprimeable number, because it can be changed into a prime (61883430377) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2362264 + ... + 2388316.
Almost surely, 261883430370 is an apocalyptic number.
61883430370 is a deficient number, since it is larger than the sum of its proper divisors (50236519502).
61883430370 is a wasteful number, since it uses less digits than its factorization.
61883430370 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27606.
The product of its (nonzero) digits is 290304, while the sum is 43.
The spelling of 61883430370 in words is "sixty-one billion, eight hundred eighty-three million, four hundred thirty thousand, three hundred seventy".
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