Base | Representation |
---|---|
bin | 10001100110111010111… |
… | …111111011011111111011 |
3 | 11021200021120222221001101 |
4 | 101212322333323133323 |
5 | 124311111410144011 |
6 | 2323513231032231 |
7 | 153264333624463 |
oct | 21467277733773 |
9 | 4250246887041 |
10 | 1210023131131 |
11 | 42719356a941 |
12 | 17661636b677 |
13 | 8a149013829 |
14 | 427cb78cba3 |
15 | 2171eb172c1 |
hex | 119baffb7fb |
1210023131131 has 8 divisors (see below), whose sum is σ = 1310996334384. Its totient is φ = 1112360524800.
The previous prime is 1210023131117. The next prime is 1210023131143. The reversal of 1210023131131 is 1311313200121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1210023131131 - 29 = 1210023130619 is a prime.
It is a super-2 number, since 2×12100231311312 (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 = 1210023131099 and 1210023131108.
It is not an unprimeable number, because it can be changed into a prime (1210023131101) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 827648470 + ... + 827649931.
It is an arithmetic number, because the mean of its divisors is an integer number (163874541798).
Almost surely, 21210023131131 is an apocalyptic number.
1210023131131 is a deficient number, since it is larger than the sum of its proper divisors (100973203253).
1210023131131 is a wasteful number, since it uses less digits than its factorization.
1210023131131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1655298461.
The product of its (nonzero) digits is 108, while the sum is 19.
Adding to 1210023131131 its reverse (1311313200121), we get a palindrome (2521336331252).
The spelling of 1210023131131 in words is "one trillion, two hundred ten billion, twenty-three million, one hundred thirty-one thousand, one hundred thirty-one".
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