Base | Representation |
---|---|
bin | 11101001000100110100… |
… | …010011110010100011111 |
3 | 21002101202212212112111201 |
4 | 131020212202132110133 |
5 | 230300300420044411 |
6 | 4131430323500331 |
7 | 264434636345131 |
oct | 35104642362437 |
9 | 7071685775451 |
10 | 2002101331231 |
11 | 7020a5009071 |
12 | 28402b8276a7 |
13 | 116a499ca131 |
14 | 6cc8b9a5051 |
15 | 3712c7093c1 |
hex | 1d22689e51f |
2002101331231 has 16 divisors (see below), whose sum is σ = 2202631820640. Its totient is φ = 1811338869760.
The previous prime is 2002101331169. The next prime is 2002101331247. The reversal of 2002101331231 is 1321331012002.
It is not a de Polignac number, because 2002101331231 - 211 = 2002101329183 is a prime.
It is a super-2 number, since 2×20021013312312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2002101331199 and 2002101331208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2002101931231) 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, 8833150 + ... + 9056971.
It is an arithmetic number, because the mean of its divisors is an integer number (137664488790).
Almost surely, 22002101331231 is an apocalyptic number.
2002101331231 is a deficient number, since it is larger than the sum of its proper divisors (200530489409).
2002101331231 is a wasteful number, since it uses less digits than its factorization.
2002101331231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17890394.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 2002101331231 its reverse (1321331012002), we get a palindrome (3323432343233).
It can be divided in two parts, 2002101 and 331231, that added together give a palindrome (2333332).
The spelling of 2002101331231 in words is "two trillion, two billion, one hundred one million, three hundred thirty-one thousand, two hundred thirty-one".
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