Base | Representation |
---|---|
bin | 11011001100110000000… |
… | …011011110010110111011 |
3 | 20121200111222101002120210 |
4 | 123030300003132112323 |
5 | 221110422422202112 |
6 | 3550354355522203 |
7 | 252016314166125 |
oct | 33146003362673 |
9 | 6550458332523 |
10 | 1869116990907 |
11 | 6607628a4981 |
12 | 2622b75b9363 |
13 | 107345764a6a |
14 | 6667400c215 |
15 | 33947896b3c |
hex | 1b3300de5bb |
1869116990907 has 32 divisors (see below), whose sum is σ = 2590029043200. Its totient is φ = 1198266600960.
The previous prime is 1869116990903. The next prime is 1869116990927. The reversal of 1869116990907 is 7090996119681.
It is not a de Polignac number, because 1869116990907 - 22 = 1869116990903 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1869116990903) 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, 1679107 + ... + 2560787.
It is an arithmetic number, because the mean of its divisors is an integer number (80938407600).
Almost surely, 21869116990907 is an apocalyptic number.
1869116990907 is a deficient number, since it is larger than the sum of its proper divisors (720912052293).
1869116990907 is a wasteful number, since it uses less digits than its factorization.
1869116990907 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 882003.
The product of its (nonzero) digits is 13226976, while the sum is 66.
The spelling of 1869116990907 in words is "one trillion, eight hundred sixty-nine billion, one hundred sixteen million, nine hundred ninety thousand, nine hundred seven".
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