Base | Representation |
---|---|
bin | 10001101111110111… |
… | …111110010101101001 |
3 | 1211012002202102111100 |
4 | 101233313332111221 |
5 | 303012021012132 |
6 | 12430553352013 |
7 | 1243150145535 |
oct | 215767762551 |
9 | 54162672440 |
10 | 19056813417 |
11 | 809a08aa84 |
12 | 383a108609 |
13 | 1a49170175 |
14 | ccad26bc5 |
15 | 76805d37c |
hex | 46fdfe569 |
19056813417 has 24 divisors (see below), whose sum is σ = 27991435680. Its totient is φ = 12490695360.
The previous prime is 19056813379. The next prime is 19056813437. The reversal of 19056813417 is 71431865091.
It is not a de Polignac number, because 19056813417 - 210 = 19056812393 is a prime.
It is a super-2 number, since 2×190568134172 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (19056813437) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 283834 + ... + 344492.
It is an arithmetic number, because the mean of its divisors is an integer number (1166309820).
Almost surely, 219056813417 is an apocalyptic number.
It is an amenable number.
19056813417 is a deficient number, since it is larger than the sum of its proper divisors (8934622263).
19056813417 is a wasteful number, since it uses less digits than its factorization.
19056813417 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61253 (or 61250 counting only the distinct ones).
The product of its (nonzero) digits is 181440, while the sum is 45.
The spelling of 19056813417 in words is "nineteen billion, fifty-six million, eight hundred thirteen thousand, four hundred seventeen".
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