Base | Representation |
---|---|
bin | 1001001100100100011111… |
… | …11000101110000010010111 |
3 | 2122121022102000011220210011 |
4 | 10212102033320232002113 |
5 | 10122313422212240322 |
6 | 111002212330541051 |
7 | 4155033524044366 |
oct | 446221770560227 |
9 | 78538360156704 |
10 | 20223120040087 |
11 | 6497639057588 |
12 | 2327461b97787 |
13 | b390555012b3 |
14 | 4dcb38b577dd |
15 | 2510b2e2c677 |
hex | 12648fe2e097 |
20223120040087 has 2 divisors, whose sum is σ = 20223120040088. Its totient is φ = 20223120040086.
The previous prime is 20223120040021. The next prime is 20223120040117. The reversal of 20223120040087 is 78004002132202.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 20223120040087 - 27 = 20223120039959 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20223120040787) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111560020043 + 10111560020044.
It is an arithmetic number, because the mean of its divisors is an integer number (10111560020044).
Almost surely, 220223120040087 is an apocalyptic number.
20223120040087 is a deficient number, since it is larger than the sum of its proper divisors (1).
20223120040087 is an equidigital number, since it uses as much as digits as its factorization.
20223120040087 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10752, while the sum is 31.
Adding to 20223120040087 its reverse (78004002132202), we get a palindrome (98227122172289).
The spelling of 20223120040087 in words is "twenty trillion, two hundred twenty-three billion, one hundred twenty million, forty thousand, eighty-seven".
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