Base | Representation |
---|---|
bin | 101110101010110110… |
… | …0101010111001010001 |
3 | 100120200122102012002011 |
4 | 1131111230222321101 |
5 | 3120223314134301 |
6 | 114012533422521 |
7 | 10145411060431 |
oct | 1352554527121 |
9 | 316618365064 |
10 | 100222021201 |
11 | 3955a7999a5 |
12 | 1751019aa41 |
13 | 95b2807133 |
14 | 4bca7362c1 |
15 | 2918993a51 |
hex | 1755b2ae51 |
100222021201 has 4 divisors (see below), whose sum is σ = 100303970112. Its totient is φ = 100140072292.
The previous prime is 100222021129. The next prime is 100222021213. The reversal of 100222021201 is 102120222001.
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 100222021201 - 213 = 100222013009 is a prime.
It is a super-2 number, since 2×1002220212012 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (100222021231) 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, 40972621 + ... + 40975066.
It is an arithmetic number, because the mean of its divisors is an integer number (25075992528).
Almost surely, 2100222021201 is an apocalyptic number.
It is an amenable number.
100222021201 is a deficient number, since it is larger than the sum of its proper divisors (81948911).
100222021201 is an equidigital number, since it uses as much as digits as its factorization.
100222021201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81948910.
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 100222021201 its reverse (102120222001), we get a palindrome (202342243202).
The spelling of 100222021201 in words is "one hundred billion, two hundred twenty-two million, twenty-one thousand, two hundred one".
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