Base | Representation |
---|---|
bin | 11111100010111110… |
… | …100001000011001101 |
3 | 10020102122200001012112 |
4 | 133202332201003031 |
5 | 1023332414411224 |
6 | 23321055513405 |
7 | 2306254064441 |
oct | 374276410315 |
9 | 106378601175 |
10 | 33872810189 |
11 | 13402355709 |
12 | 6693b28865 |
13 | 326a84316a |
14 | 18d4930821 |
15 | d33b2830e |
hex | 7e2fa10cd |
33872810189 has 2 divisors, whose sum is σ = 33872810190. Its totient is φ = 33872810188.
The previous prime is 33872810137. The next prime is 33872810261. The reversal of 33872810189 is 98101827833.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 29182888900 + 4689921289 = 170830^2 + 68483^2 .
It is an emirp because it is prime and its reverse (98101827833) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 33872810189 - 28 = 33872809933 is a prime.
It is a super-2 number, since 2×338728101892 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (33872810119) by changing a digit.
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 as a sum of consecutive naturals, namely, 16936405094 + 16936405095.
It is an arithmetic number, because the mean of its divisors is an integer number (16936405095).
Almost surely, 233872810189 is an apocalyptic number.
It is an amenable number.
33872810189 is a deficient number, since it is larger than the sum of its proper divisors (1).
33872810189 is an equidigital number, since it uses as much as digits as its factorization.
33872810189 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 580608, while the sum is 50.
The spelling of 33872810189 in words is "thirty-three billion, eight hundred seventy-two million, eight hundred ten thousand, one hundred eighty-nine".
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