Base | Representation |
---|---|
bin | 111000011111101100… |
… | …0101001011100001101 |
3 | 102121011011201002021202 |
4 | 1300333120221130031 |
5 | 3441432030310333 |
6 | 131422414235245 |
7 | 11523325214651 |
oct | 1607730513415 |
9 | 377134632252 |
10 | 121322510093 |
11 | 474a8437574 |
12 | 1b61a7b5b25 |
13 | b5961a4115 |
14 | 5c2cc46a61 |
15 | 32511405e8 |
hex | 1c3f62970d |
121322510093 has 2 divisors, whose sum is σ = 121322510094. Its totient is φ = 121322510092.
The previous prime is 121322509993. The next prime is 121322510137. The reversal of 121322510093 is 390015223121.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 115546966084 + 5775544009 = 339922^2 + 75997^2 .
It is an emirp because it is prime and its reverse (390015223121) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-121322510093 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (121322510693) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60661255046 + 60661255047.
It is an arithmetic number, because the mean of its divisors is an integer number (60661255047).
Almost surely, 2121322510093 is an apocalyptic number.
It is an amenable number.
121322510093 is a deficient number, since it is larger than the sum of its proper divisors (1).
121322510093 is an equidigital number, since it uses as much as digits as its factorization.
121322510093 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3240, while the sum is 29.
The spelling of 121322510093 in words is "one hundred twenty-one billion, three hundred twenty-two million, five hundred ten thousand, ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •