Base | Representation |
---|---|
bin | 1011000000110111011… |
… | …0011000001011111111 |
3 | 200002101102201121122222 |
4 | 2300031312120023333 |
5 | 11100000443412204 |
6 | 222531114355555 |
7 | 16445552165225 |
oct | 2601566301377 |
9 | 602342647588 |
10 | 189210919679 |
11 | 732756a44a1 |
12 | 3080642bbbb |
13 | 14ac5003192 |
14 | 922d236b15 |
15 | 4dc6199abe |
hex | 2c0dd982ff |
189210919679 has 8 divisors (see below), whose sum is σ = 189376911360. Its totient is φ = 189044987256.
The previous prime is 189210919631. The next prime is 189210919691. The reversal of 189210919679 is 976919012981.
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 189210919679 - 216 = 189210854143 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (189210919699) 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, 8331662 + ... + 8354340.
It is an arithmetic number, because the mean of its divisors is an integer number (23672113920).
Almost surely, 2189210919679 is an apocalyptic number.
189210919679 is a deficient number, since it is larger than the sum of its proper divisors (165991681).
189210919679 is a wasteful number, since it uses less digits than its factorization.
189210919679 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29629.
The product of its (nonzero) digits is 4408992, while the sum is 62.
The spelling of 189210919679 in words is "one hundred eighty-nine billion, two hundred ten million, nine hundred nineteen thousand, six hundred seventy-nine".
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