Base | Representation |
---|---|
bin | 10011000011101010… |
… | …00000111010110101 |
3 | 222102000211220222222 |
4 | 21201311000322311 |
5 | 131423143100231 |
6 | 4411122332125 |
7 | 511352644253 |
oct | 114165007265 |
9 | 28360756888 |
10 | 10231221941 |
11 | 4380292526 |
12 | 1b964ba045 |
13 | c708869a5 |
14 | 6d0b515d3 |
15 | 3ed33327b |
hex | 261d40eb5 |
10231221941 has 2 divisors, whose sum is σ = 10231221942. Its totient is φ = 10231221940.
The previous prime is 10231221929. The next prime is 10231221947. The reversal of 10231221941 is 14912213201.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 6059999716 + 4171222225 = 77846^2 + 64585^2 .
It is an emirp because it is prime and its reverse (14912213201) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10231221941 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 10231221941.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10231221947) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5115610970 + 5115610971.
It is an arithmetic number, because the mean of its divisors is an integer number (5115610971).
Almost surely, 210231221941 is an apocalyptic number.
It is an amenable number.
10231221941 is a deficient number, since it is larger than the sum of its proper divisors (1).
10231221941 is an equidigital number, since it uses as much as digits as its factorization.
10231221941 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 864, while the sum is 26.
The spelling of 10231221941 in words is "ten billion, two hundred thirty-one million, two hundred twenty-one thousand, nine hundred forty-one".
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