Base | Representation |
---|---|
bin | 111011101000010000… |
… | …1101110000101111101 |
3 | 110020112012110122021101 |
4 | 1313100201232011331 |
5 | 4044222423131221 |
6 | 134454310333101 |
7 | 12152155506400 |
oct | 1672041560575 |
9 | 406465418241 |
10 | 128052552061 |
11 | 4a341366725 |
12 | 2099865a191 |
13 | c0c959a385 |
14 | 62aa9add37 |
15 | 34e6dd1d91 |
hex | 1dd086e17d |
128052552061 has 48 divisors (see below), whose sum is σ = 154353475584. Its totient is φ = 105856130016.
The previous prime is 128052552059. The next prime is 128052552109. The reversal of 128052552061 is 160255250821.
It is not a de Polignac number, because 128052552061 - 21 = 128052552059 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 128052552061.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128052552161) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 86346226 + ... + 86347708.
It is an arithmetic number, because the mean of its divisors is an integer number (3215697408).
Almost surely, 2128052552061 is an apocalyptic number.
It is an amenable number.
128052552061 is a deficient number, since it is larger than the sum of its proper divisors (26300923523).
128052552061 is a wasteful number, since it uses less digits than its factorization.
128052552061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2030 (or 2023 counting only the distinct ones).
The product of its (nonzero) digits is 48000, while the sum is 37.
The spelling of 128052552061 in words is "one hundred twenty-eight billion, fifty-two million, five hundred fifty-two thousand, sixty-one".
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