Base | Representation |
---|---|
bin | 100101011100000110001… |
… | …010110001111010100011 |
3 | 100002221211002012202221221 |
4 | 211130012022301322203 |
5 | 314123032424240431 |
6 | 5245531202555511 |
7 | 353610051550366 |
oct | 45340612617243 |
9 | 10087732182857 |
10 | 2572788899491 |
11 | 902128296868 |
12 | 356759968b97 |
13 | 1587c786b275 |
14 | 8c748c600dd |
15 | 46dcdeb7111 |
hex | 257062b1ea3 |
2572788899491 has 2 divisors, whose sum is σ = 2572788899492. Its totient is φ = 2572788899490.
The previous prime is 2572788899489. The next prime is 2572788899531. The reversal of 2572788899491 is 1949988872752.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2572788899491 - 21 = 2572788899489 is a prime.
It is a super-2 number, since 2×25727888994912 (a number of 26 digits) contains 22 as substring.
Together with 2572788899489, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (2572788899431) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286394449745 + 1286394449746.
It is an arithmetic number, because the mean of its divisors is an integer number (1286394449746).
Almost surely, 22572788899491 is an apocalyptic number.
2572788899491 is a deficient number, since it is larger than the sum of its proper divisors (1).
2572788899491 is an equidigital number, since it uses as much as digits as its factorization.
2572788899491 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1463132160, while the sum is 79.
The spelling of 2572788899491 in words is "two trillion, five hundred seventy-two billion, seven hundred eighty-eight million, eight hundred ninety-nine thousand, four hundred ninety-one".
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