Base | Representation |
---|---|
bin | 1001001011111101011001… |
… | …10111001001111110010101 |
3 | 2122112022020021020010101220 |
4 | 10211332230313021332111 |
5 | 10121442431110124023 |
6 | 110544421522040553 |
7 | 4153361435012520 |
oct | 445765467117625 |
9 | 78468207203356 |
10 | 20202131333013 |
11 | 6489748518283 |
12 | 2323384aa9159 |
13 | b3708c0416b6 |
14 | 4dbb07423bb7 |
15 | 2507854b13e3 |
hex | 125facdc9f95 |
20202131333013 has 32 divisors (see below), whose sum is σ = 31080913305600. Its totient is φ = 11432967388416.
The previous prime is 20202131332973. The next prime is 20202131333023. The reversal of 20202131333013 is 31033313120202.
It is not a de Polignac number, because 20202131333013 - 29 = 20202131332501 is a prime.
It is a super-2 number, since 2×202021313330132 (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 (20202131333023) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 293053 + ... + 6363186.
It is an arithmetic number, because the mean of its divisors is an integer number (971278540800).
Almost surely, 220202131333013 is an apocalyptic number.
It is an amenable number.
20202131333013 is a deficient number, since it is larger than the sum of its proper divisors (10878781972587).
20202131333013 is a wasteful number, since it uses less digits than its factorization.
20202131333013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6657641.
The product of its (nonzero) digits is 1944, while the sum is 24.
Adding to 20202131333013 its reverse (31033313120202), we get a palindrome (51235444453215).
The spelling of 20202131333013 in words is "twenty trillion, two hundred two billion, one hundred thirty-one million, three hundred thirty-three thousand, thirteen".
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