Base | Representation |
---|---|
bin | 101010000100110010… |
… | …010011001001000000 |
3 | 11022121111100022011121 |
4 | 222010302103021000 |
5 | 1220010411413242 |
6 | 32430525322024 |
7 | 3156352666225 |
oct | 520462231100 |
9 | 138544308147 |
10 | 45177451072 |
11 | 18183547726 |
12 | 8909a06314 |
13 | 434c901a90 |
14 | 228806194c |
15 | 12962e1667 |
hex | a84c93240 |
45177451072 has 56 divisors (see below), whose sum is σ = 98127898232. Its totient is φ = 20509286400.
The previous prime is 45177451049. The next prime is 45177451073. The reversal of 45177451072 is 27015477154.
It can be written as a sum of positive squares in 4 ways, for example, as 1820216896 + 43357234176 = 42664^2 + 208224^2 .
It is not an unprimeable number, because it can be changed into a prime (45177451073) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394329 + ... + 495832.
It is an arithmetic number, because the mean of its divisors is an integer number (1752283897).
Almost surely, 245177451072 is an apocalyptic number.
It is an amenable number.
45177451072 is an abundant number, since it is smaller than the sum of its proper divisors (52950447160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45177451072 is a wasteful number, since it uses less digits than its factorization.
45177451072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 890247 (or 890237 counting only the distinct ones).
The product of its (nonzero) digits is 274400, while the sum is 43.
The spelling of 45177451072 in words is "forty-five billion, one hundred seventy-seven million, four hundred fifty-one thousand, seventy-two".
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