Base | Representation |
---|---|
bin | 1111100110000… |
… | …10111111110000 |
3 | 100010011110020000 |
4 | 13303002333300 |
5 | 231442302003 |
6 | 20551550000 |
7 | 3145653423 |
oct | 763027760 |
9 | 303143200 |
10 | 130822128 |
11 | 67933668 |
12 | 3798b300 |
13 | 21145a58 |
14 | 135359ba |
15 | b7421a3 |
hex | 7cc2ff0 |
130822128 has 50 divisors (see below), whose sum is σ = 378640944. Its totient is φ = 43606944.
The previous prime is 130822117. The next prime is 130822129. The reversal of 130822128 is 821228031.
It is a super-2 number, since 2×1308221282 = 34228858348896768, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130822129) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 49176 + ... + 51767.
Almost surely, 2130822128 is an apocalyptic number.
130822128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
130822128 is an abundant number, since it is smaller than the sum of its proper divisors (247818816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130822128 is a wasteful number, since it uses less digits than its factorization.
130822128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100963 (or 100948 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 27.
The square root of 130822128 is about 11437.7501284125. The cubic root of 130822128 is about 507.6453390751.
It can be divided in two parts, 1308 and 22128, that added together give a triangular number (23436 = T216).
The spelling of 130822128 in words is "one hundred thirty million, eight hundred twenty-two thousand, one hundred twenty-eight".
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