Base | Representation |
---|---|
bin | 10110100010000… |
… | …01000001100111 |
3 | 111011122201000020 |
4 | 23101001001213 |
5 | 341341310043 |
6 | 30431050223 |
7 | 4453362426 |
oct | 1321010147 |
9 | 434581006 |
10 | 189010023 |
11 | 97767034 |
12 | 53370973 |
13 | 30209c67 |
14 | 1b1612bd |
15 | 118d7e83 |
hex | b441067 |
189010023 has 32 divisors (see below), whose sum is σ = 271848960. Its totient is φ = 116565120.
The previous prime is 189009991. The next prime is 189010039. The reversal of 189010023 is 320010981.
It is not a de Polignac number, because 189010023 - 25 = 189009991 is a prime.
It is a super-3 number, since 3×1890100233 (a number of 26 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 189009975 and 189010002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (189010093) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228136 + ... + 228962.
It is an arithmetic number, because the mean of its divisors is an integer number (8495280).
Almost surely, 2189010023 is an apocalyptic number.
189010023 is a deficient number, since it is larger than the sum of its proper divisors (82838937).
189010023 is a wasteful number, since it uses less digits than its factorization.
189010023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 967.
The product of its (nonzero) digits is 432, while the sum is 24.
The square root of 189010023 is about 13748.0916130203. The cubic root of 189010023 is about 573.8894992605.
The spelling of 189010023 in words is "one hundred eighty-nine million, ten thousand, twenty-three".
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