Base | Representation |
---|---|
bin | 101010010000111100… |
… | …111011110101101101 |
3 | 11100010201102101221112 |
4 | 222100330323311231 |
5 | 1220420140101210 |
6 | 32503100241405 |
7 | 3164411642012 |
oct | 522074736555 |
9 | 140121371845 |
10 | 45381565805 |
11 | 18278790094 |
12 | 8966240265 |
13 | 4382c99c24 |
14 | 22a71d5709 |
15 | 12a91aed05 |
hex | a90f3bd6d |
45381565805 has 16 divisors (see below), whose sum is σ = 55298182464. Its totient is φ = 35746750080.
The previous prime is 45381565769. The next prime is 45381565813. The reversal of 45381565805 is 50856518354.
It is not a de Polignac number, because 45381565805 - 28 = 45381565549 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108350 + ... + 320160.
It is an arithmetic number, because the mean of its divisors is an integer number (3456136404).
Almost surely, 245381565805 is an apocalyptic number.
It is an amenable number.
45381565805 is a deficient number, since it is larger than the sum of its proper divisors (9916616659).
45381565805 is a wasteful number, since it uses less digits than its factorization.
45381565805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 212476.
The product of its (nonzero) digits is 2880000, while the sum is 50.
The spelling of 45381565805 in words is "forty-five billion, three hundred eighty-one million, five hundred sixty-five thousand, eight hundred five".
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