Base | Representation |
---|---|
bin | 1000000100101100… |
… | …1011001000001100 |
3 | 12121000221122211100 |
4 | 2001023023020030 |
5 | 13414300040103 |
6 | 555014223100 |
7 | 104463545163 |
oct | 20113131014 |
9 | 5530848740 |
10 | 2167190028 |
11 | a1235aa43 |
12 | 505954a90 |
13 | 286cb4683 |
14 | 167b7a3da |
15 | ca3da5a3 |
hex | 812cb20c |
2167190028 has 36 divisors (see below), whose sum is σ = 5490048928. Its totient is φ = 720830880.
The previous prime is 2167190023. The next prime is 2167190033. The reversal of 2167190028 is 8200917612.
It is an interprime number because it is at equal distance from previous prime (2167190023) and next prime (2167190033).
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 2167189974 and 2167190001.
It is not an unprimeable number, because it can be changed into a prime (2167190023) 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 11 ways as a sum of consecutive naturals, for example, 48343 + ... + 81678.
Almost surely, 22167190028 is an apocalyptic number.
It is an amenable number.
2167190028 is an abundant number, since it is smaller than the sum of its proper divisors (3322858900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2167190028 is a wasteful number, since it uses less digits than its factorization.
2167190028 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 130494 (or 130489 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 36.
The square root of 2167190028 is about 46553.0882756450. The cubic root of 2167190028 is about 1294.0935260276.
The spelling of 2167190028 in words is "two billion, one hundred sixty-seven million, one hundred ninety thousand, twenty-eight".
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