Base | Representation |
---|---|
bin | 11010101100000010111… |
… | …00001001110101000001 |
3 | 10020122221021200001121101 |
4 | 31112001130021311001 |
5 | 110011003404101301 |
6 | 1541132553254401 |
7 | 123152051426551 |
oct | 15260134116501 |
9 | 3218837601541 |
10 | 916999675201 |
11 | 323996457445 |
12 | 129879404401 |
13 | 6861b69770c |
14 | 3255101d161 |
15 | 18cbeb8c701 |
hex | d581709d41 |
916999675201 has 3 divisors (see below), whose sum is σ = 917000632803. Its totient is φ = 916998717600.
The previous prime is 916999675199. The next prime is 916999675247. The reversal of 916999675201 is 102576999619.
The square root of 916999675201 is 957601.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 102576999619 = 109 ⋅941073391.
It can be written as a sum of positive squares in only one way, i.e., 254468793601 + 662530881600 = 504449^2 + 813960^2 .
It is not a de Polignac number, because 916999675201 - 21 = 916999675199 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (916999675271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 478801 + ... + 1436401.
It is an arithmetic number, because the mean of its divisors is an integer number (305666877601).
Almost surely, 2916999675201 is an apocalyptic number.
916999675201 is the 957601-st square number.
916999675201 is the 478801-st centered octagonal number.
It is an amenable number.
916999675201 is a deficient number, since it is larger than the sum of its proper divisors (957602).
916999675201 is an frugal number, since it uses more digits than its factorization.
916999675201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1915202 (or 957601 counting only the distinct ones).
The product of its (nonzero) digits is 16533720, while the sum is 64.
Multiplying 916999675201 by its sum of digits (64), we get a square (58687979212864 = 76608082).
The spelling of 916999675201 in words is "nine hundred sixteen billion, nine hundred ninety-nine million, six hundred seventy-five thousand, two hundred one".
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