Base | Representation |
---|---|
bin | 1110011111011010… |
… | …1011000101001001 |
3 | 101001002110211022000 |
4 | 3213312223011021 |
5 | 30431301303004 |
6 | 1441553221213 |
7 | 165252225216 |
oct | 34766530511 |
9 | 11032424260 |
10 | 3889869129 |
11 | 1716803283 |
12 | 906861809 |
13 | 49cb71913 |
14 | 28c886b0d |
15 | 17b76dc39 |
hex | e7dab149 |
3889869129 has 16 divisors (see below), whose sum is σ = 5763738240. Its totient is φ = 2592810000.
The previous prime is 3889869097. The next prime is 3889869169. The reversal of 3889869129 is 9219689883.
It is not a de Polignac number, because 3889869129 - 25 = 3889869097 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (3889869169) 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, 276004 + ... + 289754.
It is an arithmetic number, because the mean of its divisors is an integer number (360233640).
Almost surely, 23889869129 is an apocalyptic number.
It is an amenable number.
3889869129 is a deficient number, since it is larger than the sum of its proper divisors (1873869111).
3889869129 is a wasteful number, since it uses less digits than its factorization.
3889869129 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24237 (or 24231 counting only the distinct ones).
The product of its digits is 13436928, while the sum is 63.
The square root of 3889869129 is about 62368.8153567149. The cubic root of 3889869129 is about 1572.6967768019.
The spelling of 3889869129 in words is "three billion, eight hundred eighty-nine million, eight hundred sixty-nine thousand, one hundred twenty-nine".
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