Base | Representation |
---|---|
bin | 10010010011011001000010… |
… | …001011001100111110100111 |
3 | 101120000110211022210112212222 |
4 | 102103121002023030332213 |
5 | 41022332122121412011 |
6 | 443111553400302555 |
7 | 22645513204301126 |
oct | 2223310213147647 |
9 | 346013738715788 |
10 | 80497387294631 |
11 | 237158286243aa |
12 | 9040b24171a5b |
13 | 35bbb4290bc88 |
14 | 15c4146bc9abd |
15 | 948dc5ecbddb |
hex | 4936422ccfa7 |
80497387294631 has 2 divisors, whose sum is σ = 80497387294632. Its totient is φ = 80497387294630.
The previous prime is 80497387294627. The next prime is 80497387294669. The reversal of 80497387294631 is 13649278379408.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 80497387294631 - 22 = 80497387294627 is a prime.
It is a super-2 number, since 2×804973872946312 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80497387291631) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40248693647315 + 40248693647316.
It is an arithmetic number, because the mean of its divisors is an integer number (40248693647316).
Almost surely, 280497387294631 is an apocalyptic number.
80497387294631 is a deficient number, since it is larger than the sum of its proper divisors (1).
80497387294631 is an equidigital number, since it uses as much as digits as its factorization.
80497387294631 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 438939648, while the sum is 71.
The spelling of 80497387294631 in words is "eighty trillion, four hundred ninety-seven billion, three hundred eighty-seven million, two hundred ninety-four thousand, six hundred thirty-one".
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