Base | Representation |
---|---|
bin | 10001101110100001… |
… | …110001101011100101 |
3 | 1211010112020102022000 |
4 | 101232201301223211 |
5 | 302440224422224 |
6 | 12424425155513 |
7 | 1242454114401 |
oct | 215641615345 |
9 | 54115212260 |
10 | 19034217189 |
11 | 8088357109 |
12 | 383262bb99 |
13 | 1a4458b110 |
14 | cc7d24101 |
15 | 7660980c9 |
hex | 46e871ae5 |
19034217189 has 16 divisors (see below), whose sum is σ = 30367982400. Its totient is φ = 11713364208.
The previous prime is 19034217187. The next prime is 19034217197. The reversal of 19034217189 is 98171243091.
It is not a de Polignac number, because 19034217189 - 21 = 19034217187 is a prime.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19034217187) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27113919 + ... + 27114620.
It is an arithmetic number, because the mean of its divisors is an integer number (1897998900).
Almost surely, 219034217189 is an apocalyptic number.
It is an amenable number.
19034217189 is a deficient number, since it is larger than the sum of its proper divisors (11333765211).
19034217189 is a wasteful number, since it uses less digits than its factorization.
19034217189 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54228561 (or 54228555 counting only the distinct ones).
The product of its (nonzero) digits is 108864, while the sum is 45.
The spelling of 19034217189 in words is "nineteen billion, thirty-four million, two hundred seventeen thousand, one hundred eighty-nine".
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