Base | Representation |
---|---|
bin | 1011110000111111111… |
… | …0001101111001011001 |
3 | 201022201212221121011100 |
4 | 2330033332031321121 |
5 | 11302431121243001 |
6 | 232505150022013 |
7 | 20414001546363 |
oct | 2741776157131 |
9 | 638655847140 |
10 | 202131431001 |
11 | 787a5a17925 |
12 | 332114a7909 |
13 | 160a3a93456 |
14 | 9ad71cdd33 |
15 | 53d0649586 |
hex | 2f0ff8de59 |
202131431001 has 12 divisors (see below), whose sum is σ = 304661867328. Its totient is φ = 128895405144.
The previous prime is 202131430967. The next prime is 202131431057. The reversal of 202131431001 is 100134131202.
202131431001 is a `hidden beast` number, since 20 + 21 + 314 + 310 + 0 + 1 = 666.
It is not a de Polignac number, because 202131431001 - 219 = 202130906713 is a prime.
It is not an unprimeable number, because it can be changed into a prime (202131433001) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 488239965 + ... + 488240378.
It is an arithmetic number, because the mean of its divisors is an integer number (25388488944).
Almost surely, 2202131431001 is an apocalyptic number.
It is an amenable number.
202131431001 is a deficient number, since it is larger than the sum of its proper divisors (102530436327).
202131431001 is a wasteful number, since it uses less digits than its factorization.
202131431001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 976480372 (or 976480369 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 202131431001 its reverse (100134131202), we get a palindrome (302265562203).
The spelling of 202131431001 in words is "two hundred two billion, one hundred thirty-one million, four hundred thirty-one thousand, one".
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