Base | Representation |
---|---|
bin | 111011110100001101… |
… | …0111101101100110000 |
3 | 110021120010210120010112 |
4 | 1313220122331230300 |
5 | 4101033034343120 |
6 | 135002150520452 |
7 | 12165124114022 |
oct | 1675032755460 |
9 | 407503716115 |
10 | 128453434160 |
11 | 4a527684347 |
12 | 20a8a966128 |
13 | c16165a30c |
14 | 6307d24012 |
15 | 351c1bbbc5 |
hex | 1de86bdb30 |
128453434160 has 80 divisors (see below), whose sum is σ = 314665288704. Its totient is φ = 48670169856.
The previous prime is 128453434139. The next prime is 128453434217. The reversal of 128453434160 is 61434354821.
It is a tau number, because it is divible by the number of its divisors (80).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149372 + ... + 528411.
Almost surely, 2128453434160 is an apocalyptic number.
128453434160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
128453434160 is an abundant number, since it is smaller than the sum of its proper divisors (186211854544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128453434160 is a wasteful number, since it uses less digits than its factorization.
128453434160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 677922 (or 677916 counting only the distinct ones).
The product of its (nonzero) digits is 276480, while the sum is 41.
Adding to 128453434160 its reverse (61434354821), we get a palindrome (189887788981).
The spelling of 128453434160 in words is "one hundred twenty-eight billion, four hundred fifty-three million, four hundred thirty-four thousand, one hundred sixty".
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