Base | Representation |
---|---|
bin | 1111100110111… |
… | …11101100011110 |
3 | 100010101102110201 |
4 | 13303133230132 |
5 | 232010032203 |
6 | 20554254114 |
7 | 3146653222 |
oct | 763375436 |
9 | 303342421 |
10 | 130939678 |
11 | 67a03a11 |
12 | 37a2733a |
13 | 211873cc |
14 | 13566782 |
15 | b766e1d |
hex | 7cdfb1e |
130939678 has 16 divisors (see below), whose sum is σ = 218909520. Its totient is φ = 58375296.
The previous prime is 130939673. The next prime is 130939717. The reversal of 130939678 is 876939031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130939673) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100701 + ... + 101992.
It is an arithmetic number, because the mean of its divisors is an integer number (13681845).
Almost surely, 2130939678 is an apocalyptic number.
130939678 is a deficient number, since it is larger than the sum of its proper divisors (87969842).
130939678 is a wasteful number, since it uses less digits than its factorization.
130939678 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 202731.
The product of its (nonzero) digits is 244944, while the sum is 46.
The square root of 130939678 is about 11442.8876600271. The cubic root of 130939678 is about 507.7973415082.
The spelling of 130939678 in words is "one hundred thirty million, nine hundred thirty-nine thousand, six hundred seventy-eight".
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