Base | Representation |
---|---|
bin | 1111011000110… |
… | …10011010110101 |
3 | 22222220002200010 |
4 | 13230122122311 |
5 | 231021124221 |
6 | 20450410433 |
7 | 3125121312 |
oct | 754323265 |
9 | 288802603 |
10 | 129083061 |
11 | 66956018 |
12 | 37290a19 |
13 | 20987313 |
14 | 13201d09 |
15 | b4ebc76 |
hex | 7b1a6b5 |
129083061 has 16 divisors (see below), whose sum is σ = 179956224. Its totient is φ = 82147824.
The previous prime is 129083051. The next prime is 129083063. The reversal of 129083061 is 160380921.
It is not a de Polignac number, because 129083061 - 25 = 129083029 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (129083063) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38910 + ... + 42096.
It is an arithmetic number, because the mean of its divisors is an integer number (11247264).
Almost surely, 2129083061 is an apocalyptic number.
It is an amenable number.
129083061 is a deficient number, since it is larger than the sum of its proper divisors (50873163).
129083061 is a wasteful number, since it uses less digits than its factorization.
129083061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3800.
The product of its (nonzero) digits is 2592, while the sum is 30.
The square root of 129083061 is about 11361.4726598272. The cubic root of 129083061 is about 505.3858580918.
The spelling of 129083061 in words is "one hundred twenty-nine million, eighty-three thousand, sixty-one".
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