Base | Representation |
---|---|
bin | 10101111111111110… |
… | …10100100010011101 |
3 | 1010111010110001110110 |
4 | 22333333110202131 |
5 | 143142102411140 |
6 | 5231554200233 |
7 | 565454455662 |
oct | 127777244235 |
9 | 33433401413 |
10 | 11810982045 |
11 | 5010a9a695 |
12 | 2357583079 |
13 | 1162c54095 |
14 | 800897a69 |
15 | 491d85380 |
hex | 2bffd489d |
11810982045 has 32 divisors (see below), whose sum is σ = 19186670592. Its totient is φ = 6203538432.
The previous prime is 11810982023. The next prime is 11810982059. The reversal of 11810982045 is 54028901811.
It is not a de Polignac number, because 11810982045 - 25 = 11810982013 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 11810981994 and 11810982012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243924 + ... + 288306.
It is an arithmetic number, because the mean of its divisors is an integer number (599583456).
Almost surely, 211810982045 is an apocalyptic number.
11810982045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
11810982045 is a deficient number, since it is larger than the sum of its proper divisors (7375688547).
11810982045 is a wasteful number, since it uses less digits than its factorization.
11810982045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44661.
The product of its (nonzero) digits is 23040, while the sum is 39.
The spelling of 11810982045 in words is "eleven billion, eight hundred ten million, nine hundred eighty-two thousand, forty-five".
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