Base | Representation |
---|---|
bin | 110011110100100001… |
… | …111101100011011010 |
3 | 12022121210112010221020 |
4 | 303310201331203122 |
5 | 1402423342314010 |
6 | 41321152223310 |
7 | 4006602323646 |
oct | 636441754332 |
9 | 168553463836 |
10 | 55642151130 |
11 | 216635a8775 |
12 | a94a53ab36 |
13 | 5329964ba7 |
14 | 299bbcbc26 |
15 | 16a9d93470 |
hex | cf487d8da |
55642151130 has 32 divisors (see below), whose sum is σ = 140569646400. Its totient is φ = 14056964352.
The previous prime is 55642151119. The next prime is 55642151153. The reversal of 55642151130 is 3115124655.
It is a junction number, because it is equal to n+sod(n) for n = 55642151091 and 55642151100.
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, 48808335 + ... + 48809474.
It is an arithmetic number, because the mean of its divisors is an integer number (4392801450).
Almost surely, 255642151130 is an apocalyptic number.
55642151130 is an abundant number, since it is smaller than the sum of its proper divisors (84927495270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55642151130 is a wasteful number, since it uses less digits than its factorization.
55642151130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97617838.
The product of its (nonzero) digits is 18000, while the sum is 33.
Adding to 55642151130 its reverse (3115124655), we get a palindrome (58757275785).
The spelling of 55642151130 in words is "fifty-five billion, six hundred forty-two million, one hundred fifty-one thousand, one hundred thirty".
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