Base | Representation |
---|---|
bin | 1111100101110… |
… | …10110100010100 |
3 | 100010002202021021 |
4 | 13302322310110 |
5 | 231440214003 |
6 | 20551130524 |
7 | 3145453645 |
oct | 762726424 |
9 | 303082237 |
10 | 130788628 |
11 | 67910483 |
12 | 37973a44 |
13 | 21133729 |
14 | 135276cc |
15 | b7372bd |
hex | 7cbad14 |
130788628 has 48 divisors (see below), whose sum is σ = 254679040. Its totient is φ = 58514400.
The previous prime is 130788617. The next prime is 130788631. The reversal of 130788628 is 826887031.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (43).
It is a congruent number.
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, 100663 + ... + 101953.
Almost surely, 2130788628 is an apocalyptic number.
It is an amenable number.
130788628 is a deficient number, since it is larger than the sum of its proper divisors (123890412).
130788628 is a wasteful number, since it uses less digits than its factorization.
130788628 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1388 (or 1386 counting only the distinct ones).
The product of its (nonzero) digits is 129024, while the sum is 43.
The square root of 130788628 is about 11436.2855858010. The cubic root of 130788628 is about 507.6020039734.
The spelling of 130788628 in words is "one hundred thirty million, seven hundred eighty-eight thousand, six hundred twenty-eight".
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