Base | Representation |
---|---|
bin | 11101010011110010101100… |
… | …010101000000010111111100 |
3 | 121220102001100001010011212110 |
4 | 131103302230111000113330 |
5 | 113343423231104102020 |
6 | 1134053232142534020 |
7 | 36102652435554261 |
oct | 3523625425002774 |
9 | 556361301104773 |
10 | 128903449675260 |
11 | 38088711921327 |
12 | 1255a428597310 |
13 | 56c070a3a63a0 |
14 | 23b8d62d13268 |
15 | ed811b8b38e0 |
hex | 753cac5405fc |
128903449675260 has 96 divisors (see below), whose sum is σ = 388708578058752. Its totient is φ = 31728847345920.
The previous prime is 128903449675237. The next prime is 128903449675261. The reversal of 128903449675260 is 62576944309821.
It is a junction number, because it is equal to n+sod(n) for n = 128903449675191 and 128903449675200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128903449675261) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16963755 + ... + 23357565.
It is an arithmetic number, because the mean of its divisors is an integer number (4049047688112).
It is a 1-persistent number, because it is pandigital, but 2⋅128903449675260 = 257806899350520 is not.
Almost surely, 2128903449675260 is an apocalyptic number.
128903449675260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
128903449675260 is an abundant number, since it is smaller than the sum of its proper divisors (259805128383492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128903449675260 is a wasteful number, since it uses less digits than its factorization.
128903449675260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6419683 (or 6419681 counting only the distinct ones).
The product of its (nonzero) digits is 156764160, while the sum is 66.
The spelling of 128903449675260 in words is "one hundred twenty-eight trillion, nine hundred three billion, four hundred forty-nine million, six hundred seventy-five thousand, two hundred sixty".
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