Base | Representation |
---|---|
bin | 1101001000110001001100… |
… | …01011101001000110001011 |
3 | 10210021201111112212101101102 |
4 | 12210120212023221012023 |
5 | 12241302313144302034 |
6 | 141235122455012015 |
7 | 6041063130463235 |
oct | 644304613510613 |
9 | 123251445771342 |
10 | 28888590619019 |
11 | 922864530a28a |
12 | 32a697666a00b |
13 | 131724a992191 |
14 | 71c3028c9255 |
15 | 3516d287097e |
hex | 1a46262e918b |
28888590619019 has 2 divisors, whose sum is σ = 28888590619020. Its totient is φ = 28888590619018.
The previous prime is 28888590618991. The next prime is 28888590619043. The reversal of 28888590619019 is 91091609588882.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 28888590619019 - 220 = 28888589570443 is a prime.
It is a super-2 number, since 2×288885906190192 (a number of 28 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (28888590619069) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14444295309509 + 14444295309510.
It is an arithmetic number, because the mean of its divisors is an integer number (14444295309510).
Almost surely, 228888590619019 is an apocalyptic number.
28888590619019 is a deficient number, since it is larger than the sum of its proper divisors (1).
28888590619019 is an equidigital number, since it uses as much as digits as its factorization.
28888590619019 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 179159040, while the sum is 74.
The spelling of 28888590619019 in words is "twenty-eight trillion, eight hundred eighty-eight billion, five hundred ninety million, six hundred nineteen thousand, nineteen".
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