Base | Representation |
---|---|
bin | 1001001101001000000111… |
… | …0001010000010010100101 |
3 | 1022211120101021002221212121 |
4 | 2103102001301100102211 |
5 | 2311311023222401041 |
6 | 33305324533345541 |
7 | 2063140535400466 |
oct | 223220161202245 |
9 | 38746337087777 |
10 | 10121120122021 |
11 | 32523854a7417 |
12 | 117565a7982b1 |
13 | 58555741a38c |
14 | 26dc17130d6d |
15 | 1284184067d1 |
hex | 93481c504a5 |
10121120122021 has 8 divisors (see below), whose sum is σ = 10141070655488. Its totient is φ = 10101174174000.
The previous prime is 10121120122013. The next prime is 10121120122067. The reversal of 10121120122021 is 12022102112101.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 10121120122021 - 23 = 10121120122013 is a prime.
It is a super-3 number, since 3×101211201220213 (a number of 40 digits) contains 333 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10121120121986 and 10121120122004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10121120122921) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3289336 + ... + 5573326.
It is an arithmetic number, because the mean of its divisors is an integer number (1267633831936).
Almost surely, 210121120122021 is an apocalyptic number.
It is an amenable number.
10121120122021 is a deficient number, since it is larger than the sum of its proper divisors (19950533467).
10121120122021 is an equidigital number, since it uses as much as digits as its factorization.
10121120122021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2292723.
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 10121120122021 its reverse (12022102112101), we get a palindrome (22143222234122).
The spelling of 10121120122021 in words is "ten trillion, one hundred twenty-one billion, one hundred twenty million, one hundred twenty-two thousand, twenty-one".
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