Base | Representation |
---|---|
bin | 11111101111101001010… |
… | …10001101011010010011 |
3 | 10212021100221121201002120 |
4 | 33313310222031122103 |
5 | 120332304221302241 |
6 | 2153024115545323 |
7 | 141542225124105 |
oct | 17676452153223 |
9 | 3767327551076 |
10 | 1090731431571 |
11 | 390638504391 |
12 | 1574838bb243 |
13 | 7bb177b3962 |
14 | 3ab12541575 |
15 | 1d58be23666 |
hex | fdf4a8d693 |
1090731431571 has 16 divisors (see below), whose sum is σ = 1455649332480. Its totient is φ = 726484085600.
The previous prime is 1090731431557. The next prime is 1090731431617. The reversal of 1090731431571 is 1751341370901.
It is a cyclic number.
It is not a de Polignac number, because 1090731431571 - 27 = 1090731431443 is a prime.
It is a super-3 number, since 3×10907314315713 (a number of 37 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (1090731431371) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31358836 + ... + 31393598.
It is an arithmetic number, because the mean of its divisors is an integer number (90978083280).
Almost surely, 21090731431571 is an apocalyptic number.
1090731431571 is a deficient number, since it is larger than the sum of its proper divisors (364917900909).
1090731431571 is a wasteful number, since it uses less digits than its factorization.
1090731431571 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44106.
The product of its (nonzero) digits is 79380, while the sum is 42.
The spelling of 1090731431571 in words is "one trillion, ninety billion, seven hundred thirty-one million, four hundred thirty-one thousand, five hundred seventy-one".
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