Base | Representation |
---|---|
bin | 11101000101110011011… |
… | …00000010111110001101 |
3 | 10112120000012102110002001 |
4 | 32202321230002332031 |
5 | 112334033210303031 |
6 | 2043104053032301 |
7 | 132133503432562 |
oct | 16427154027615 |
9 | 3476005373061 |
10 | 999547744141 |
11 | 3559a6709421 |
12 | 141876625691 |
13 | 7334568c11b |
14 | 3654235c869 |
15 | 1b001bce861 |
hex | e8b9b02f8d |
999547744141 has 2 divisors, whose sum is σ = 999547744142. Its totient is φ = 999547744140.
The previous prime is 999547744093. The next prime is 999547744163. The reversal of 999547744141 is 141447745999.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 592977002500 + 406570741641 = 770050^2 + 637629^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-999547744141 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (999547744241) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499773872070 + 499773872071.
It is an arithmetic number, because the mean of its divisors is an integer number (499773872071).
Almost surely, 2999547744141 is an apocalyptic number.
999547744141 is the 632313-rd centered pentagonal number.
It is an amenable number.
999547744141 is a deficient number, since it is larger than the sum of its proper divisors (1).
999547744141 is an equidigital number, since it uses as much as digits as its factorization.
999547744141 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 45722880, while the sum is 64.
The spelling of 999547744141 in words is "nine hundred ninety-nine billion, five hundred forty-seven million, seven hundred forty-four thousand, one hundred forty-one".
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