Base | Representation |
---|---|
bin | 1001001011111101011001… |
… | …10110010100010010001101 |
3 | 2122112022020020210221202000 |
4 | 10211332230312110102031 |
5 | 10121442431031104401 |
6 | 110544421513222513 |
7 | 4153361433105420 |
oct | 445765466242215 |
9 | 78468206727660 |
10 | 20202131113101 |
11 | 6489748388033 |
12 | 2323384a01a39 |
13 | b3708bc95582 |
14 | 4dbb073a79b7 |
15 | 25078546b186 |
hex | 125facd9448d |
20202131113101 has 32 divisors (see below), whose sum is σ = 34686422323200. Its totient is φ = 11381482309680.
The previous prime is 20202131113091. The next prime is 20202131113117. The reversal of 20202131113101 is 10131113120202.
20202131113101 is a `hidden beast` number, since 2 + 0 + 20 + 21 + 311 + 1 + 310 + 1 = 666.
It is not a de Polignac number, because 20202131113101 - 211 = 20202131111053 is a prime.
It is a super-2 number, since 2×202021311131012 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20202131113201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 752730121 + ... + 752756958.
It is an arithmetic number, because the mean of its divisors is an integer number (1083950697600).
Almost surely, 220202131113101 is an apocalyptic number.
20202131113101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
20202131113101 is a deficient number, since it is larger than the sum of its proper divisors (14484291210099).
20202131113101 is a wasteful number, since it uses less digits than its factorization.
20202131113101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1505487166 (or 1505487160 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 18.
Adding to 20202131113101 its reverse (10131113120202), we get a palindrome (30333244233303).
The spelling of 20202131113101 in words is "twenty trillion, two hundred two billion, one hundred thirty-one million, one hundred thirteen thousand, one hundred one".
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