Base | Representation |
---|---|
bin | 10001110010110111… |
… | …101011101000110001 |
3 | 1211022121022122110102 |
4 | 101302313223220301 |
5 | 303112402142330 |
6 | 12435550442145 |
7 | 1244330254652 |
oct | 216267535061 |
9 | 54277278412 |
10 | 19107068465 |
11 | 8115495381 |
12 | 3852b03355 |
13 | 1a566b7694 |
14 | cd3889529 |
15 | 76c688945 |
hex | 472deba31 |
19107068465 has 8 divisors (see below), whose sum is σ = 22936238208. Its totient is φ = 15280484080.
The previous prime is 19107068459. The next prime is 19107068473. The reversal of 19107068465 is 56486070191.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-19107068465 is a prime.
It is a super-3 number, since 3×191070684653 (a number of 32 digits) contains 333 as substring.
It is a Duffinian number.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630041 + ... + 659670.
It is an arithmetic number, because the mean of its divisors is an integer number (2867029776).
Almost surely, 219107068465 is an apocalyptic number.
It is an amenable number.
19107068465 is a deficient number, since it is larger than the sum of its proper divisors (3829169743).
19107068465 is a wasteful number, since it uses less digits than its factorization.
19107068465 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1292679.
The product of its (nonzero) digits is 362880, while the sum is 47.
The spelling of 19107068465 in words is "nineteen billion, one hundred seven million, sixty-eight thousand, four hundred sixty-five".
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