Base | Representation |
---|---|
bin | 1001000111111000111000… |
… | …0101000101010011100001 |
3 | 1022111222002212012122110011 |
4 | 2101332032011011103201 |
5 | 2303322224334131111 |
6 | 33200123311004521 |
7 | 2053503544663333 |
oct | 221761605052341 |
9 | 38458085178404 |
10 | 10031132333281 |
11 | 32181a7766884 |
12 | 1160125b09741 |
13 | 579c15cb22c7 |
14 | 26971bad1453 |
15 | 125ded18d021 |
hex | 91f8e1454e1 |
10031132333281 has 2 divisors, whose sum is σ = 10031132333282. Its totient is φ = 10031132333280.
The previous prime is 10031132333279. The next prime is 10031132333357. The reversal of 10031132333281 is 18233323113001.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 7457405180625 + 2573727152656 = 2730825^2 + 1604284^2 .
It is an emirp because it is prime and its reverse (18233323113001) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10031132333281 - 21 = 10031132333279 is a prime.
It is a super-2 number, since 2×100311323332812 (a number of 27 digits) contains 22 as substring.
Together with 10031132333279, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (10031132333681) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5015566166640 + 5015566166641.
It is an arithmetic number, because the mean of its divisors is an integer number (5015566166641).
Almost surely, 210031132333281 is an apocalyptic number.
It is an amenable number.
10031132333281 is a deficient number, since it is larger than the sum of its proper divisors (1).
10031132333281 is an equidigital number, since it uses as much as digits as its factorization.
10031132333281 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 7776, while the sum is 31.
Adding to 10031132333281 its reverse (18233323113001), we get a palindrome (28264455446282).
The spelling of 10031132333281 in words is "ten trillion, thirty-one billion, one hundred thirty-two million, three hundred thirty-three thousand, two hundred eighty-one".
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