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130393123 = 797192037
BaseRepresentation
bin1111100010110…
…10010000100011
3100002100122201221
413301122100203
5231340034443
620534435511
73142215610
oct761322043
9302318657
10130393123
1167670313
1237802b97
13210256c3
1413463507
15b6a9eed
hex7c5a423

130393123 has 8 divisors (see below), whose sum is σ = 150557792. Its totient is φ = 110612736.

The previous prime is 130393117. The next prime is 130393129. The reversal of 130393123 is 321393031.

It is an interprime number because it is at equal distance from previous prime (130393117) and next prime (130393129).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130393123 - 225 = 96838691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130393129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95340 + ... + 96697.

It is an arithmetic number, because the mean of its divisors is an integer number (18819724).

Almost surely, 2130393123 is an apocalyptic number.

130393123 is a deficient number, since it is larger than the sum of its proper divisors (20164669).

130393123 is an equidigital number, since it uses as much as digits as its factorization.

130393123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192141.

The product of its (nonzero) digits is 1458, while the sum is 25.

The square root of 130393123 is about 11418.9808214218. The cubic root of 130393123 is about 507.0898242841.

The spelling of 130393123 in words is "one hundred thirty million, three hundred ninety-three thousand, one hundred twenty-three".

Divisors: 1 7 97 679 192037 1344259 18627589 130393123