Base | Representation |
---|---|
bin | 1010100001100111100… |
… | …0000001010000001111 |
3 | 122021201211220001010202 |
4 | 2220121320001100033 |
5 | 10430311110221111 |
6 | 215022510524115 |
7 | 16030645642631 |
oct | 2503170012017 |
9 | 567654801122 |
10 | 180822742031 |
11 | 6a7607a6478 |
12 | 2b06520663b |
13 | 1408922a959 |
14 | 8a751a4a51 |
15 | 4a84a73b3b |
hex | 2a19e0140f |
180822742031 has 2 divisors, whose sum is σ = 180822742032. Its totient is φ = 180822742030.
The previous prime is 180822742003. The next prime is 180822742123. The reversal of 180822742031 is 130247228081.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-180822742031 is a prime.
It is a super-2 number, since 2×1808227420312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (180824742031) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90411371015 + 90411371016.
It is an arithmetic number, because the mean of its divisors is an integer number (90411371016).
Almost surely, 2180822742031 is an apocalyptic number.
180822742031 is a deficient number, since it is larger than the sum of its proper divisors (1).
180822742031 is an equidigital number, since it uses as much as digits as its factorization.
180822742031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 43008, while the sum is 38.
The spelling of 180822742031 in words is "one hundred eighty billion, eight hundred twenty-two million, seven hundred forty-two thousand, thirty-one".
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