Base | Representation |
---|---|
bin | 1110001101011111101010001… |
… | …0111111001011110001111111 |
3 | 11212010201001201021201010120220 |
4 | 3203113322202333023301333 |
5 | 2022032444414304444444 |
6 | 13502453351052312423 |
7 | 420430420323214113 |
oct | 34327724277136177 |
9 | 4763631637633526 |
10 | 999999969999999 |
11 | 26a6a3673135151 |
12 | 941a683a772713 |
13 | 33bca791a826a7 |
14 | 138d2384907743 |
15 | 7a92462872619 |
hex | 38d7ea2fcbc7f |
999999969999999 has 32 divisors (see below), whose sum is σ = 1406592000000000. Its totient is φ = 630192896980704.
The previous prime is 999999969999949. The next prime is 999999970000007.
999999969999999 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 999999969999999 - 29 = 999999969999487 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 999999969999999.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (999999969999949) 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, 40000002 + ... + 60000000.
It is an arithmetic number, because the mean of its divisors is an integer number (43956000000000).
Almost surely, 2999999969999999 is an apocalyptic number.
999999969999999 is a deficient number, since it is larger than the sum of its proper divisors (406592030000001).
999999969999999 is a wasteful number, since it uses less digits than its factorization.
999999969999999 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20001947.
The product of its digits is 137260754729766, while the sum is 132.
The spelling of 999999969999999 in words is "nine hundred ninety-nine trillion, nine hundred ninety-nine billion, nine hundred sixty-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".
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