Base | Representation |
---|---|
bin | 1001001001100110111010… |
… | …11101001001111111011101 |
3 | 2122020120200221021002000021 |
4 | 10210303131131021333131 |
5 | 10114132002102103201 |
6 | 110443341135032141 |
7 | 4144501421626555 |
oct | 444633535117735 |
9 | 78216627232007 |
10 | 20121342222301 |
11 | 6458460138691 |
12 | 230b79896b651 |
13 | b2c58559a288 |
14 | 4d7c41956165 |
15 | 24d607abbea1 |
hex | 124cdd749fdd |
20121342222301 has 16 divisors (see below), whose sum is σ = 21065425920000. Its totient is φ = 19183033832688.
The previous prime is 20121342222287. The next prime is 20121342222307. The reversal of 20121342222301 is 10322224312102.
It is a cyclic number.
It is not a de Polignac number, because 20121342222301 - 217 = 20121342091229 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 (20121342222307) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254149360 + ... + 254228518.
It is an arithmetic number, because the mean of its divisors is an integer number (1316589120000).
Almost surely, 220121342222301 is an apocalyptic number.
It is an amenable number.
20121342222301 is a deficient number, since it is larger than the sum of its proper divisors (944083697699).
20121342222301 is a wasteful number, since it uses less digits than its factorization.
20121342222301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115488.
The product of its (nonzero) digits is 2304, while the sum is 25.
Adding to 20121342222301 its reverse (10322224312102), we get a palindrome (30443566534403).
The spelling of 20121342222301 in words is "twenty trillion, one hundred twenty-one billion, three hundred forty-two million, two hundred twenty-two thousand, three hundred one".
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