Base | Representation |
---|---|
bin | 1001001000111111100101… |
… | …00110010010101001010101 |
3 | 2122011120012001000210201012 |
4 | 10210133302212102221111 |
5 | 10113310223324231401 |
6 | 110425525313342005 |
7 | 4143123145600241 |
oct | 444376246225125 |
9 | 78146161023635 |
10 | 20100222102101 |
11 | 644a502401799 |
12 | 2307683867905 |
13 | b2a59ab1892b |
14 | 4d6bda9b5421 |
15 | 24ccbd8438bb |
hex | 1247f2992a55 |
20100222102101 has 8 divisors (see below), whose sum is σ = 20812184858880. Its totient is φ = 19389516122032.
The previous prime is 20100222102091. The next prime is 20100222102137. The reversal of 20100222102101 is 10120122200102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20100222102101 - 210 = 20100222101077 is a prime.
It is a super-2 number, since 2×201002221021012 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20100222102601) 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, 314161625 + ... + 314225598.
It is an arithmetic number, because the mean of its divisors is an integer number (2601523107360).
Almost surely, 220100222102101 is an apocalyptic number.
It is an amenable number.
20100222102101 is a deficient number, since it is larger than the sum of its proper divisors (711962756779).
20100222102101 is a wasteful number, since it uses less digits than its factorization.
20100222102101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 628388355.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 20100222102101 its reverse (10120122200102), we get a palindrome (30220344302203).
The spelling of 20100222102101 in words is "twenty trillion, one hundred billion, two hundred twenty-two million, one hundred two thousand, one hundred one".
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