Base | Representation |
---|---|
bin | 100000001111101… |
… | …0000101001000111 |
3 | 2210101212001210120 |
4 | 1000133100221013 |
5 | 4203433431310 |
6 | 255205353023 |
7 | 35545210455 |
oct | 10037205107 |
9 | 2711761716 |
10 | 1081936455 |
11 | 5057a7966 |
12 | 262408773 |
13 | 1431c7ab2 |
14 | a39999d5 |
15 | 64eb8b70 |
hex | 407d0a47 |
1081936455 has 16 divisors (see below), whose sum is σ = 1742128224. Its totient is φ = 573356160.
The previous prime is 1081936439. The next prime is 1081936469. The reversal of 1081936455 is 5546391801.
It is not a de Polignac number, because 1081936455 - 24 = 1081936439 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227356 + ... + 232065.
It is an arithmetic number, because the mean of its divisors is an integer number (108883014).
Almost surely, 21081936455 is an apocalyptic number.
1081936455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1081936455 is a deficient number, since it is larger than the sum of its proper divisors (660191769).
1081936455 is a wasteful number, since it uses less digits than its factorization.
1081936455 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 459586.
The product of its (nonzero) digits is 129600, while the sum is 42.
The square root of 1081936455 is about 32892.8024801779. The cubic root of 1081936455 is about 1026.5984040018.
It can be divided in two parts, 10819 and 36455, that added together give a palindrome (47274).
The spelling of 1081936455 in words is "one billion, eighty-one million, nine hundred thirty-six thousand, four hundred fifty-five".
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