Base | Representation |
---|---|
bin | 101000111000111001010… |
… | …000000001011100111111 |
3 | 100221121202121110111002000 |
4 | 220320321100001130333 |
5 | 332014102443110101 |
6 | 5550500330433343 |
7 | 410002114245522 |
oct | 50707120013477 |
9 | 10847677414060 |
10 | 2809869113151 |
11 | 993727952341 |
12 | 3946a3592853 |
13 | 174c7b061b69 |
14 | 99dd9826bb9 |
15 | 4d157926486 |
hex | 28e3940173f |
2809869113151 has 16 divisors (see below), whose sum is σ = 4163969186400. Its totient is φ = 1872706017024.
The previous prime is 2809869113143. The next prime is 2809869113213. The reversal of 2809869113151 is 1513119689082.
It is a happy number.
It is not a de Polignac number, because 2809869113151 - 23 = 2809869113143 is a prime.
It is a super-2 number, since 2×28098691131512 (a number of 26 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2809869113111) 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, 14906226 + ... + 15093551.
It is an arithmetic number, because the mean of its divisors is an integer number (260248074150).
Almost surely, 22809869113151 is an apocalyptic number.
2809869113151 is a deficient number, since it is larger than the sum of its proper divisors (1354100073249).
2809869113151 is a wasteful number, since it uses less digits than its factorization.
2809869113151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30003255 (or 30003249 counting only the distinct ones).
The product of its (nonzero) digits is 933120, while the sum is 54.
The spelling of 2809869113151 in words is "two trillion, eight hundred nine billion, eight hundred sixty-nine million, one hundred thirteen thousand, one hundred fifty-one".
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