Base | Representation |
---|---|
bin | 101111000011010000… |
… | …0111100101011001001 |
3 | 100122210201112020112001 |
4 | 1132012200330223021 |
5 | 3123413001010011 |
6 | 114230111551001 |
7 | 10204614412606 |
oct | 1360640745311 |
9 | 318721466461 |
10 | 101041031881 |
11 | 39940034829 |
12 | 176ba52b461 |
13 | 96b33b503a |
14 | 4c6740d6ad |
15 | 29658237c1 |
hex | 178683cac9 |
101041031881 has 2 divisors, whose sum is σ = 101041031882. Its totient is φ = 101041031880.
The previous prime is 101041031869. The next prime is 101041031891. The reversal of 101041031881 is 188130140101.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 89595455625 + 11445576256 = 299325^2 + 106984^2 .
It is a cyclic number.
It is not a de Polignac number, because 101041031881 - 29 = 101041031369 is a prime.
It is a super-2 number, since 2×1010410318812 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (101041031891) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50520515940 + 50520515941.
It is an arithmetic number, because the mean of its divisors is an integer number (50520515941).
Almost surely, 2101041031881 is an apocalyptic number.
It is an amenable number.
101041031881 is a deficient number, since it is larger than the sum of its proper divisors (1).
101041031881 is an equidigital number, since it uses as much as digits as its factorization.
101041031881 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 768, while the sum is 28.
Adding to 101041031881 its reverse (188130140101), we get a palindrome (289171171982).
The spelling of 101041031881 in words is "one hundred one billion, forty-one million, thirty-one thousand, eight hundred eighty-one".
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