Base | Representation |
---|---|
bin | 101011101001111110100… |
… | …010010100110100001101 |
3 | 101121210112212021102000111 |
4 | 223221332202110310031 |
5 | 343123010041144411 |
6 | 10214104032000021 |
7 | 426513022051066 |
oct | 53517642246415 |
9 | 11553485242014 |
10 | 3000010099981 |
11 | a5732a544a74 |
12 | 405509390011 |
13 | 189b9095811b |
14 | a52b63a556d |
15 | 5308558b721 |
hex | 2ba7e894d0d |
3000010099981 has 2 divisors, whose sum is σ = 3000010099982. Its totient is φ = 3000010099980.
The previous prime is 3000010099937. The next prime is 3000010100027. The reversal of 3000010099981 is 1899900100003.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1623353743881 + 1376656356100 = 1274109^2 + 1173310^2 .
It is an emirp because it is prime and its reverse (1899900100003) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 3000010099981 - 217 = 3000009968909 is a prime.
It is a super-2 number, since 2×30000100999812 (a number of 26 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (3000010099921) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1500005049990 + 1500005049991.
It is an arithmetic number, because the mean of its divisors is an integer number (1500005049991).
Almost surely, 23000010099981 is an apocalyptic number.
It is an amenable number.
3000010099981 is a deficient number, since it is larger than the sum of its proper divisors (1).
3000010099981 is an equidigital number, since it uses as much as digits as its factorization.
3000010099981 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 17496, while the sum is 40.
Adding to 3000010099981 its reverse (1899900100003), we get a palindrome (4899910199984).
The spelling of 3000010099981 in words is "three trillion, ten million, ninety-nine thousand, nine hundred eighty-one".
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