Base | Representation |
---|---|
bin | 101101101010… |
… | …000111111011 |
3 | 211112002102000 |
4 | 231222013323 |
5 | 11031002034 |
6 | 1104312043 |
7 | 203510046 |
oct | 55520773 |
9 | 24462360 |
10 | 11969019 |
11 | 6835557 |
12 | 4012623 |
13 | 2630b7a |
14 | 1837c5d |
15 | 10b6599 |
hex | b6a1fb |
11969019 has 16 divisors (see below), whose sum is σ = 18212640. Its totient is φ = 7763040.
The previous prime is 11969017. The next prime is 11969033. The reversal of 11969019 is 91096911.
It is not a de Polignac number, because 11969019 - 21 = 11969017 is a prime.
It is a super-2 number, since 2×119690192 = 286514831644722, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (11969011) 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, 4992 + ... + 6989.
It is an arithmetic number, because the mean of its divisors is an integer number (1138290).
Almost surely, 211969019 is an apocalyptic number.
11969019 is a deficient number, since it is larger than the sum of its proper divisors (6243621).
11969019 is a wasteful number, since it uses less digits than its factorization.
11969019 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12027 (or 12021 counting only the distinct ones).
The product of its (nonzero) digits is 4374, while the sum is 36.
The square root of 11969019 is about 3459.6270030164. The cubic root of 11969019 is about 228.7456543114.
The spelling of 11969019 in words is "eleven million, nine hundred sixty-nine thousand, nineteen".
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