Base | Representation |
---|---|
bin | 11111011001011000100… |
… | …111100110010001111011 |
3 | 21122021001002110100022022 |
4 | 133121120213212101323 |
5 | 240322140422424021 |
6 | 4331100342145055 |
7 | 311610233310302 |
oct | 37313047462173 |
9 | 7567032410268 |
10 | 2157560358011 |
11 | 76201a6358a3 |
12 | 2aa19672218b |
13 | 1285c3245746 |
14 | 765d8385439 |
15 | 3b1ca6b31ab |
hex | 1f6589e647b |
2157560358011 has 2 divisors, whose sum is σ = 2157560358012. Its totient is φ = 2157560358010.
The previous prime is 2157560357983. The next prime is 2157560358029. The reversal of 2157560358011 is 1108530657512.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2157560358011 - 230 = 2156486616187 is a prime.
It is a super-2 number, since 2×21575603580112 (a number of 25 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2157560358311) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1078780179005 + 1078780179006.
It is an arithmetic number, because the mean of its divisors is an integer number (1078780179006).
Almost surely, 22157560358011 is an apocalyptic number.
2157560358011 is a deficient number, since it is larger than the sum of its proper divisors (1).
2157560358011 is an equidigital number, since it uses as much as digits as its factorization.
2157560358011 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 252000, while the sum is 44.
The spelling of 2157560358011 in words is "two trillion, one hundred fifty-seven billion, five hundred sixty million, three hundred fifty-eight thousand, eleven".
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