Base | Representation |
---|---|
bin | 111100000100100100… |
… | …0001100000000011011 |
3 | 110022222101022201200112 |
4 | 1320021020030000123 |
5 | 4103144023111110 |
6 | 135132431554535 |
7 | 12214536161201 |
oct | 1701110140033 |
9 | 408871281615 |
10 | 129002160155 |
11 | 4a7893a1300 |
12 | 2100268ba4b |
13 | c21b24295b |
14 | 635ab61071 |
15 | 355045c405 |
hex | 1e0920c01b |
129002160155 has 48 divisors (see below), whose sum is σ = 177288072192. Its totient is φ = 89943374400.
The previous prime is 129002160151. The next prime is 129002160197. The reversal of 129002160155 is 551061200921.
It is not a de Polignac number, because 129002160155 - 22 = 129002160151 is a prime.
It is not an unprimeable number, because it can be changed into a prime (129002160151) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1974644 + ... + 2038926.
It is an arithmetic number, because the mean of its divisors is an integer number (3693501504).
Almost surely, 2129002160155 is an apocalyptic number.
129002160155 is a deficient number, since it is larger than the sum of its proper divisors (48285912037).
129002160155 is a wasteful number, since it uses less digits than its factorization.
129002160155 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64448 (or 64437 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 32.
The spelling of 129002160155 in words is "one hundred twenty-nine billion, two million, one hundred sixty thousand, one hundred fifty-five".
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