Base | Representation |
---|---|
bin | 111100001111100001… |
… | …0111100110110001010 |
3 | 110100221000021010211121 |
4 | 1320133002330312022 |
5 | 4104422142323330 |
6 | 135233125345454 |
7 | 12226622613364 |
oct | 1703702746612 |
9 | 410830233747 |
10 | 129369886090 |
11 | 4a957a23235 |
12 | 210a586828a |
13 | c279494173 |
14 | 6393923d34 |
15 | 357289817a |
hex | 1e1f0bcd8a |
129369886090 has 16 divisors (see below), whose sum is σ = 232878763872. Its totient is φ = 51745072464.
The previous prime is 129369886069. The next prime is 129369886097. The reversal of 129369886090 is 90688963921.
It is not an unprimeable number, because it can be changed into a prime (129369886097) 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, 166764 + ... + 535303.
It is an arithmetic number, because the mean of its divisors is an integer number (14554922742).
Almost surely, 2129369886090 is an apocalyptic number.
129369886090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
129369886090 is a deficient number, since it is larger than the sum of its proper divisors (103508877782).
129369886090 is a wasteful number, since it uses less digits than its factorization.
129369886090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 720501.
The product of its (nonzero) digits is 10077696, while the sum is 61.
The spelling of 129369886090 in words is "one hundred twenty-nine billion, three hundred sixty-nine million, eight hundred eighty-six thousand, ninety".
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