Base | Representation |
---|---|
bin | 1001000110101110010010… |
… | …11000011101101100000011 |
3 | 2121220002212000120102200000 |
4 | 10203113021120131230003 |
5 | 10111021002111401011 |
6 | 110330025331331043 |
7 | 4134362210062623 |
oct | 443271130355403 |
9 | 77802760512600 |
10 | 20022221200131 |
11 | 641a415986647 |
12 | 22b4535450a83 |
13 | b23119c03777 |
14 | 4d311b53c883 |
15 | 24ac55b0a356 |
hex | 1235c961db03 |
20022221200131 has 24 divisors (see below), whose sum is σ = 29992809812784. Its totient is φ = 13347846610560.
The previous prime is 20022221200049. The next prime is 20022221200147. The reversal of 20022221200131 is 13100212222002.
20022221200131 is a `hidden beast` number, since 200 + 222 + 212 + 0 + 0 + 1 + 31 = 666.
It is not a de Polignac number, because 20022221200131 - 221 = 20022219102979 is a prime.
It is a super-2 number, since 2×200222212001312 (a number of 27 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (20022221200151) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10146055 + ... + 11957711.
It is an arithmetic number, because the mean of its divisors is an integer number (1249700408866).
Almost surely, 220022221200131 is an apocalyptic number.
20022221200131 is a deficient number, since it is larger than the sum of its proper divisors (9970588612653).
20022221200131 is an equidigital number, since it uses as much as digits as its factorization.
20022221200131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1857153 (or 1857141 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 20022221200131 its reverse (13100212222002), we get a palindrome (33122433422133).
The spelling of 20022221200131 in words is "twenty trillion, twenty-two billion, two hundred twenty-one million, two hundred thousand, one hundred thirty-one".
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