Base | Representation |
---|---|
bin | 10010100110001010… |
… | …101010100111110101 |
3 | 1220112120201101202002 |
4 | 102212022222213311 |
5 | 311343211324221 |
6 | 13101212425045 |
7 | 1304550335264 |
oct | 224612524765 |
9 | 56476641662 |
10 | 19967683061 |
11 | 8517266907 |
12 | 3a53178185 |
13 | 1b62aa11a1 |
14 | d75cb25db |
15 | 7bced580b |
hex | 4a62aa9f5 |
19967683061 has 8 divisors (see below), whose sum is σ = 20391657984. Its totient is φ = 19545457360.
The previous prime is 19967683051. The next prime is 19967683063. The reversal of 19967683061 is 16038676991.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 19967683061 - 210 = 19967682037 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 19967682988 and 19967683006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19967683063) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414221 + ... + 459906.
It is an arithmetic number, because the mean of its divisors is an integer number (2548957248).
Almost surely, 219967683061 is an apocalyptic number.
It is an amenable number.
19967683061 is a deficient number, since it is larger than the sum of its proper divisors (423974923).
19967683061 is an equidigital number, since it uses as much as digits as its factorization.
19967683061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 874611.
The product of its (nonzero) digits is 2939328, while the sum is 56.
The spelling of 19967683061 in words is "nineteen billion, nine hundred sixty-seven million, six hundred eighty-three thousand, sixty-one".
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