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130673738 = 21319326041
BaseRepresentation
bin1111100100111…
…10110001001010
3100002212220200002
413302132301022
5231423024423
620544443002
73144464666
oct762366112
9302786602
10130673738
1167842128
1237919462
13210c3350
14134d78a6
15b713228
hex7c9ec4a

130673738 has 16 divisors (see below), whose sum is σ = 212190216. Its totient is φ = 59996160.

The previous prime is 130673737. The next prime is 130673743. The reversal of 130673738 is 837376031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 104796169 + 25877569 = 10237^2 + 5087^2 .

It is not an unprimeable number, because it can be changed into a prime (130673737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8003 + ... + 18038.

Almost surely, 2130673738 is an apocalyptic number.

130673738 is a deficient number, since it is larger than the sum of its proper divisors (81516478).

130673738 is a wasteful number, since it uses less digits than its factorization.

130673738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26249.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 130673738 is about 11431.2614352048. The cubic root of 130673738 is about 507.4533277470.

The spelling of 130673738 in words is "one hundred thirty million, six hundred seventy-three thousand, seven hundred thirty-eight".

Divisors: 1 2 13 26 193 386 2509 5018 26041 52082 338533 677066 5025913 10051826 65336869 130673738