Base | Representation |
---|---|
bin | 1001001011111101111110… |
… | …1100111011111111111001 |
3 | 1022202200000110210121012211 |
4 | 2102333133230323333321 |
5 | 2310444300112242103 |
6 | 33252234214535121 |
7 | 2061534451426141 |
oct | 222773754737771 |
9 | 38680013717184 |
10 | 10101221212153 |
11 | 32449a4043965 |
12 | 11718266674a1 |
13 | 5837059784b6 |
14 | 26cc8a441921 |
15 | 127b514a836d |
hex | 92fdfb3bff9 |
10101221212153 has 2 divisors, whose sum is σ = 10101221212154. Its totient is φ = 10101221212152.
The previous prime is 10101221211971. The next prime is 10101221212171. The reversal of 10101221212153 is 35121212210101.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 10101006091264 + 215120889 = 3178208^2 + 14667^2 .
It is an emirp because it is prime and its reverse (35121212210101) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10101221212153 - 225 = 10101187657721 is a prime.
It is not a weakly prime, because it can be changed into another prime (10101221216153) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050610606076 + 5050610606077.
It is an arithmetic number, because the mean of its divisors is an integer number (5050610606077).
Almost surely, 210101221212153 is an apocalyptic number.
It is an amenable number.
10101221212153 is a deficient number, since it is larger than the sum of its proper divisors (1).
10101221212153 is an equidigital number, since it uses as much as digits as its factorization.
10101221212153 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 240, while the sum is 22.
Adding to 10101221212153 its reverse (35121212210101), we get a palindrome (45222433422254).
The spelling of 10101221212153 in words is "ten trillion, one hundred one billion, two hundred twenty-one million, two hundred twelve thousand, one hundred fifty-three".
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