Base | Representation |
---|---|
bin | 11011010101010010010010… |
… | …011010001001110110110101 |
3 | 120202121222000122201200011101 |
4 | 123111102102122021312311 |
5 | 111224010040224310401 |
6 | 1103355413451210101 |
7 | 34214612613261052 |
oct | 3325222232116665 |
9 | 522558018650141 |
10 | 120210001010101 |
11 | 3533685877a312 |
12 | 11595606146931 |
13 | 520c9a66cacb2 |
14 | 21982a3498029 |
15 | dd6e10ad7101 |
hex | 6d5492689db5 |
120210001010101 has 4 divisors (see below), whose sum is σ = 122247458654400. Its totient is φ = 118172543365804.
The previous prime is 120210001010083. The next prime is 120210001010111. The reversal of 120210001010101 is 101010100012021.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 120210001010101 - 215 = 120210000977333 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120210001010111) 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, 1018728822061 + ... + 1018728822178.
It is an arithmetic number, because the mean of its divisors is an integer number (30561864663600).
Almost surely, 2120210001010101 is an apocalyptic number.
It is an amenable number.
120210001010101 is a deficient number, since it is larger than the sum of its proper divisors (2037457644299).
120210001010101 is an equidigital number, since it uses as much as digits as its factorization.
120210001010101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2037457644298.
The product of its (nonzero) digits is 4, while the sum is 10.
Adding to 120210001010101 its reverse (101010100012021), we get a palindrome (221220101022122).
The spelling of 120210001010101 in words is "one hundred twenty trillion, two hundred ten billion, one million, ten thousand, one hundred one".
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