Base | Representation |
---|---|
bin | 111011110110010001… |
… | …0100011011001001110 |
3 | 110021201221211010010201 |
4 | 1313230202203121032 |
5 | 4101203232014210 |
6 | 135013055524114 |
7 | 12166623333505 |
oct | 1675442433116 |
9 | 407657733121 |
10 | 128522532430 |
11 | 4a562689956 |
12 | 20aa9b2963a |
13 | c172a71576 |
14 | 631318d83c |
15 | 35232ba53a |
hex | 1dec8a364e |
128522532430 has 8 divisors (see below), whose sum is σ = 231340558392. Its totient is φ = 51409012968.
The previous prime is 128522532403. The next prime is 128522532443. The reversal of 128522532430 is 34235225821.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 128522532430.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6426126612 + ... + 6426126631.
It is an arithmetic number, because the mean of its divisors is an integer number (28917569799).
Almost surely, 2128522532430 is an apocalyptic number.
128522532430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
128522532430 is a deficient number, since it is larger than the sum of its proper divisors (102818025962).
128522532430 is a wasteful number, since it uses less digits than its factorization.
128522532430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12852253250.
The product of its (nonzero) digits is 115200, while the sum is 37.
The spelling of 128522532430 in words is "one hundred twenty-eight billion, five hundred twenty-two million, five hundred thirty-two thousand, four hundred thirty".
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