Base | Representation |
---|---|
bin | 100101110000101111… |
… | …1101100001111100110 |
3 | 21202022111000112022002 |
4 | 1023201133230033212 |
5 | 2312034200430424 |
6 | 101130423405302 |
7 | 5600356443545 |
oct | 1134137541746 |
9 | 252274015262 |
10 | 81092592614 |
11 | 31433722090 |
12 | 138718b3832 |
13 | 78545c1017 |
14 | 3cd3d0a15c |
15 | 219938ecae |
hex | 12e17ec3e6 |
81092592614 has 32 divisors (see below), whose sum is σ = 134364938400. Its totient is φ = 36398039040.
The previous prime is 81092592611. The next prime is 81092592643. The reversal of 81092592614 is 41629529018.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (81092592611) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1478774 + ... + 1532630.
It is an arithmetic number, because the mean of its divisors is an integer number (4198904325).
Almost surely, 281092592614 is an apocalyptic number.
81092592614 is a deficient number, since it is larger than the sum of its proper divisors (53272345786).
81092592614 is a wasteful number, since it uses less digits than its factorization.
81092592614 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54728.
The product of its (nonzero) digits is 311040, while the sum is 47.
The spelling of 81092592614 in words is "eighty-one billion, ninety-two million, five hundred ninety-two thousand, six hundred fourteen".
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