Base | Representation |
---|---|
bin | 1001000110101010100110… |
… | …1101001111101111001001 |
3 | 1022102221212112200211122002 |
4 | 2101222221231033233021 |
5 | 2303001211434310441 |
6 | 33142330333240345 |
7 | 2052131062455401 |
oct | 221525155175711 |
9 | 38387775624562 |
10 | 10010121010121 |
11 | 320a2a538a7a1 |
12 | 11580413330b5 |
13 | 577c47c345cb |
14 | 2686c7391801 |
15 | 1255bd755b9b |
hex | 91aa9b4fbc9 |
10010121010121 has 4 divisors (see below), whose sum is σ = 10015194565572. Its totient is φ = 10005047454672.
The previous prime is 10010121010093. The next prime is 10010121010133. The reversal of 10010121010121 is 12101012101001.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 4247984812096 + 5762136198025 = 2061064^2 + 2400445^2 .
It is a cyclic number.
It is not a de Polignac number, because 10010121010121 - 234 = 9992941140937 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10010121030121) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2536774766 + ... + 2536778711.
It is an arithmetic number, because the mean of its divisors is an integer number (2503798641393).
Almost surely, 210010121010121 is an apocalyptic number.
It is an amenable number.
10010121010121 is a deficient number, since it is larger than the sum of its proper divisors (5073555451).
10010121010121 is an equidigital number, since it uses as much as digits as its factorization.
10010121010121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5073555450.
The product of its (nonzero) digits is 4, while the sum is 11.
Adding to 10010121010121 its reverse (12101012101001), we get a palindrome (22111133111122).
The spelling of 10010121010121 in words is "ten trillion, ten billion, one hundred twenty-one million, ten thousand, one hundred twenty-one".
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