Base | Representation |
---|---|
bin | 101010000001101001… |
… | …000111000011110000 |
3 | 11022110211002210220021 |
4 | 222001221013003300 |
5 | 1214403411220030 |
6 | 32421403053224 |
7 | 3155142466102 |
oct | 520151070360 |
9 | 138424083807 |
10 | 45124710640 |
11 | 181567a4a99 |
12 | 88b4211214 |
13 | 43419c7219 |
14 | 2281053572 |
15 | 129187497a |
hex | a81a470f0 |
45124710640 has 40 divisors (see below), whose sum is σ = 105715854288. Its totient is φ = 17912094720.
The previous prime is 45124710629. The next prime is 45124710647. The reversal of 45124710640 is 4601742154.
It is a tau number, because it is divible by the number of its divisors (40).
It is a junction number, because it is equal to n+sod(n) for n = 45124710596 and 45124710605.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (45124710647) 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, 2142417 + ... + 2163376.
Almost surely, 245124710640 is an apocalyptic number.
45124710640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
45124710640 is an abundant number, since it is smaller than the sum of its proper divisors (60591143648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45124710640 is a wasteful number, since it uses less digits than its factorization.
45124710640 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4305937 (or 4305931 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 34.
The spelling of 45124710640 in words is "forty-five billion, one hundred twenty-four million, seven hundred ten thousand, six hundred forty".
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