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130140029 = 673193373
BaseRepresentation
bin1111100000111…
…00011101111101
3100001212210120002
413300130131331
5231303440104
620525204045
73140112665
oct760343575
9301783502
10130140029
1167508148
1237700625
1320c67446
14133d91a5
15b65a01e
hex7c1c77d

130140029 has 4 divisors (see below), whose sum is σ = 130334076. Its totient is φ = 129945984.

The previous prime is 130140011. The next prime is 130140047. The reversal of 130140029 is 920041031.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (130140011) and next prime (130140047).

It can be written as a sum of positive squares in 2 ways, for example, as 47748100 + 82391929 = 6910^2 + 9077^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130140029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130140529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96014 + ... + 97359.

It is an arithmetic number, because the mean of its divisors is an integer number (32583519).

Almost surely, 2130140029 is an apocalyptic number.

It is an amenable number.

130140029 is a deficient number, since it is larger than the sum of its proper divisors (194047).

130140029 is an equidigital number, since it uses as much as digits as its factorization.

130140029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194046.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 130140029 is about 11407.8932761488. The cubic root of 130140029 is about 506.7615234354.

The spelling of 130140029 in words is "one hundred thirty million, one hundred forty thousand, twenty-nine".

Divisors: 1 673 193373 130140029