Base | Representation |
---|---|
bin | 101010001110110011… |
… | …0110111101111000110 |
3 | 22200002102012021212121 |
4 | 1110131212313233012 |
5 | 2441213401322441 |
6 | 105355103440154 |
7 | 6360260065660 |
oct | 1243546675706 |
9 | 280072167777 |
10 | 90691042246 |
11 | 35509802392 |
12 | 156b02b605a |
13 | 872404630c |
14 | 45649c3530 |
15 | 255bd7edd1 |
hex | 151d9b7bc6 |
90691042246 has 16 divisors (see below), whose sum is σ = 155478175776. Its totient is φ = 38865635136.
The previous prime is 90691042241. The next prime is 90691042291. The reversal of 90691042246 is 64224019609.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90691042241) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145650 + ... + 450106.
It is an arithmetic number, because the mean of its divisors is an integer number (9717385986).
Almost surely, 290691042246 is an apocalyptic number.
90691042246 is a deficient number, since it is larger than the sum of its proper divisors (64787133530).
90691042246 is a wasteful number, since it uses less digits than its factorization.
90691042246 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 325743.
The product of its (nonzero) digits is 186624, while the sum is 43.
The spelling of 90691042246 in words is "ninety billion, six hundred ninety-one million, forty-two thousand, two hundred forty-six".
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