Base | Representation |
---|---|
bin | 11000000001111101… |
… | …00000001111001011 |
3 | 1020022010001021111020 |
4 | 30000332200033023 |
5 | 202410212134414 |
6 | 5532103203523 |
7 | 634464062136 |
oct | 140076401713 |
9 | 36263037436 |
10 | 12901286859 |
11 | 552049284a |
12 | 26007465a3 |
13 | 12a7abbb66 |
14 | 8a55d121d |
15 | 5079537a9 |
hex | 300fa03cb |
12901286859 has 24 divisors (see below), whose sum is σ = 18313650288. Its totient is φ = 8076963840.
The previous prime is 12901286821. The next prime is 12901286863. The reversal of 12901286859 is 95868210921.
It is not a de Polignac number, because 12901286859 - 211 = 12901284811 is a prime.
It is a super-3 number, since 3×129012868593 (a number of 31 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is not an unprimeable number, because it can be changed into a prime (12901286819) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 379939 + ... + 412499.
It is an arithmetic number, because the mean of its divisors is an integer number (763068762).
Almost surely, 212901286859 is an apocalyptic number.
12901286859 is a deficient number, since it is larger than the sum of its proper divisors (5412363429).
12901286859 is a wasteful number, since it uses less digits than its factorization.
12901286859 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33055 (or 33038 counting only the distinct ones).
The product of its (nonzero) digits is 622080, while the sum is 51.
The spelling of 12901286859 in words is "twelve billion, nine hundred one million, two hundred eighty-six thousand, eight hundred fifty-nine".
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