Base | Representation |
---|---|
bin | 1001001011111101101110… |
… | …00010101101000001101011 |
3 | 2122112022200011121122000120 |
4 | 10211332313002231001223 |
5 | 10121443303321213311 |
6 | 110544450502534323 |
7 | 4153365610540644 |
oct | 445766702550153 |
9 | 78468604548016 |
10 | 20202302132331 |
11 | 6489825976340 |
12 | 23234121373a3 |
13 | b370b8543797 |
14 | 4dbb21da46cb |
15 | 25079549d706 |
hex | 125fb70ad06b |
20202302132331 has 16 divisors (see below), whose sum is σ = 29385241852800. Its totient is φ = 12243788176320.
The previous prime is 20202302132321. The next prime is 20202302132333. The reversal of 20202302132331 is 13323120320202.
It is a de Polignac number, because none of the positive numbers 2k-20202302132331 is a prime.
It is a super-2 number, since 2×202023021323312 (a number of 27 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (20202302132333) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25243671 + ... + 26031663.
It is an arithmetic number, because the mean of its divisors is an integer number (1836577615800).
Almost surely, 220202302132331 is an apocalyptic number.
20202302132331 is a deficient number, since it is larger than the sum of its proper divisors (9182939720469).
20202302132331 is a wasteful number, since it uses less digits than its factorization.
20202302132331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1564906.
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 20202302132331 its reverse (13323120320202), we get a palindrome (33525422452533).
The spelling of 20202302132331 in words is "twenty trillion, two hundred two billion, three hundred two million, one hundred thirty-two thousand, three hundred thirty-one".
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