Base | Representation |
---|---|
bin | 11111110010001100… |
… | …010101001111010101 |
3 | 10021002110000121100220 |
4 | 133302030111033111 |
5 | 1024343242340234 |
6 | 23402255224553 |
7 | 2315503656603 |
oct | 376214251725 |
9 | 107073017326 |
10 | 34128090069 |
11 | 13523465217 |
12 | 6745518159 |
13 | 32ab6b3b48 |
14 | 191a7c2873 |
15 | d4b251a49 |
hex | 7f23153d5 |
34128090069 has 32 divisors (see below), whose sum is σ = 47757803520. Its totient is φ = 21636977472.
The previous prime is 34128090047. The next prime is 34128090071. The reversal of 34128090069 is 96009082143.
It is not a de Polignac number, because 34128090069 - 219 = 34127565781 is a prime.
It is a super-2 number, since 2×341280900692 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 34128090069.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (34128094069) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17174694 + ... + 17176680.
It is an arithmetic number, because the mean of its divisors is an integer number (1492431360).
Almost surely, 234128090069 is an apocalyptic number.
It is an amenable number.
34128090069 is a deficient number, since it is larger than the sum of its proper divisors (13629713451).
34128090069 is a wasteful number, since it uses less digits than its factorization.
34128090069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3329.
The product of its (nonzero) digits is 93312, while the sum is 42.
The spelling of 34128090069 in words is "thirty-four billion, one hundred twenty-eight million, ninety thousand, sixty-nine".
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