Base | Representation |
---|---|
bin | 1111100100111… |
… | …00111000110000 |
3 | 100002212112002200 |
4 | 13302130320300 |
5 | 231422303112 |
6 | 20544343200 |
7 | 3144433350 |
oct | 762347060 |
9 | 302775080 |
10 | 130666032 |
11 | 67837362 |
12 | 37914b00 |
13 | 210bc9a3 |
14 | 134d4b60 |
15 | b710cdc |
hex | 7c9ce30 |
130666032 has 60 divisors (see below), whose sum is σ = 417927120. Its totient is φ = 37332864.
The previous prime is 130666009. The next prime is 130666033. The reversal of 130666032 is 230666031.
It is a super-2 number, since 2×1306660322 = 34147223837250048, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 130665987 and 130666005.
It is not an unprimeable number, because it can be changed into a prime (130666033) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63807 + ... + 65822.
It is an arithmetic number, because the mean of its divisors is an integer number (6965452).
Almost surely, 2130666032 is an apocalyptic number.
130666032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
130666032 is an abundant number, since it is smaller than the sum of its proper divisors (287261088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130666032 is a wasteful number, since it uses less digits than its factorization.
130666032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 129650 (or 129641 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 27.
The square root of 130666032 is about 11430.9243720707. The cubic root of 130666032 is about 507.4433524904.
Subtracting 130666032 from its reverse (230666031), we obtain a palindrome (99999999).
The spelling of 130666032 in words is "one hundred thirty million, six hundred sixty-six thousand, thirty-two".
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