Base | Representation |
---|---|
bin | 1001001001101000100010… |
… | …01011100010101010100001 |
3 | 2122020122221102011202122211 |
4 | 10210310101023202222201 |
5 | 10114140241231120001 |
6 | 110444003215002121 |
7 | 4144532060035165 |
oct | 444642113425241 |
9 | 78218842152584 |
10 | 20122210020001 |
11 | 6458865a75971 |
12 | 230b99b509341 |
13 | b2c6932ca43b |
14 | 4d7cc4cccca5 |
15 | 24d658d87351 |
hex | 124d112e2aa1 |
20122210020001 has 4 divisors (see below), whose sum is σ = 20245659161392. Its totient is φ = 19998760878612.
The previous prime is 20122210019941. The next prime is 20122210020047. The reversal of 20122210020001 is 10002001222102.
It is a happy number.
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 20122210020001 - 29 = 20122210019489 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20122210020091) 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, 61724570451 + ... + 61724570776.
It is an arithmetic number, because the mean of its divisors is an integer number (5061414790348).
Almost surely, 220122210020001 is an apocalyptic number.
It is an amenable number.
20122210020001 is a deficient number, since it is larger than the sum of its proper divisors (123449141391).
20122210020001 is a wasteful number, since it uses less digits than its factorization.
20122210020001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 123449141390.
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 20122210020001 its reverse (10002001222102), we get a palindrome (30124211242103).
The spelling of 20122210020001 in words is "twenty trillion, one hundred twenty-two billion, two hundred ten million, twenty thousand, one".
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