Base | Representation |
---|---|
bin | 101010010010010110… |
… | …111000100101101010 |
3 | 11100012100210101010201 |
4 | 222102112320211222 |
5 | 1220442204123300 |
6 | 32505301502414 |
7 | 3165116240230 |
oct | 522226704552 |
9 | 140170711121 |
10 | 45405145450 |
11 | 182900258a5 |
12 | 8972111a0a |
13 | 4387b34792 |
14 | 22aa3b2950 |
15 | 12ab2bb66a |
hex | a925b896a |
45405145450 has 48 divisors (see below), whose sum is σ = 96535321344. Its totient is φ = 15564744000.
The previous prime is 45405145447. The next prime is 45405145463. The reversal of 45405145450 is 5454150454.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3874600 + ... + 3886300.
It is an arithmetic number, because the mean of its divisors is an integer number (2011152528).
Almost surely, 245405145450 is an apocalyptic number.
45405145450 is an abundant number, since it is smaller than the sum of its proper divisors (51130175894).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45405145450 is a wasteful number, since it uses less digits than its factorization.
45405145450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22807 (or 22802 counting only the distinct ones).
The product of its (nonzero) digits is 160000, while the sum is 37.
The spelling of 45405145450 in words is "forty-five billion, four hundred five million, one hundred forty-five thousand, four hundred fifty".
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