Base | Representation |
---|---|
bin | 10001110110000000… |
… | …100010100001111101 |
3 | 1211110021101201200101 |
4 | 101312000202201331 |
5 | 303214342101414 |
6 | 12445111201101 |
7 | 1245536644063 |
oct | 216600424175 |
9 | 54407351611 |
10 | 19159722109 |
11 | 8142188890 |
12 | 3868676191 |
13 | 1a64591898 |
14 | cda874033 |
15 | 7720d9a74 |
hex | 47602287d |
19159722109 has 8 divisors (see below), whose sum is σ = 22131016128. Its totient is φ = 16393344960.
The previous prime is 19159722089. The next prime is 19159722137. The reversal of 19159722109 is 90122795191.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-19159722109 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 (19159722139) 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, 51229017 + ... + 51229390.
It is an arithmetic number, because the mean of its divisors is an integer number (2766377016).
Almost surely, 219159722109 is an apocalyptic number.
It is an amenable number.
19159722109 is a deficient number, since it is larger than the sum of its proper divisors (2971294019).
19159722109 is a wasteful number, since it uses less digits than its factorization.
19159722109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 102458435.
The product of its (nonzero) digits is 102060, while the sum is 46.
The spelling of 19159722109 in words is "nineteen billion, one hundred fifty-nine million, seven hundred twenty-two thousand, one hundred nine".
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