Base | Representation |
---|---|
bin | 1001001111101101101000… |
… | …10101000001101000110011 |
3 | 2122222122010201002212211101 |
4 | 10213312310111001220303 |
5 | 10131101101014410304 |
6 | 111123551520425231 |
7 | 4165605515254453 |
oct | 447666425015063 |
9 | 78878121085741 |
10 | 20331105622579 |
11 | 6529412102a34 |
12 | 234437a178217 |
13 | b462a457667b |
14 | 5040605abd63 |
15 | 253cd32658a4 |
hex | 127db4541a33 |
20331105622579 has 2 divisors, whose sum is σ = 20331105622580. Its totient is φ = 20331105622578.
The previous prime is 20331105622493. The next prime is 20331105622609. The reversal of 20331105622579 is 97522650113302.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 20331105622579 - 217 = 20331105491507 is a prime.
It is a super-2 number, since 2×203311056225792 (a number of 27 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (20331105622279) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165552811289 + 10165552811290.
It is an arithmetic number, because the mean of its divisors is an integer number (10165552811290).
Almost surely, 220331105622579 is an apocalyptic number.
20331105622579 is a deficient number, since it is larger than the sum of its proper divisors (1).
20331105622579 is an equidigital number, since it uses as much as digits as its factorization.
20331105622579 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 680400, while the sum is 46.
The spelling of 20331105622579 in words is "twenty trillion, three hundred thirty-one billion, one hundred five million, six hundred twenty-two thousand, five hundred seventy-nine".
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