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130389323 = 2318131321
BaseRepresentation
bin1111100010110…
…01010101001011
3100002100110112012
413301121111023
5231334424243
620534410135
73142201541
oct761312513
9302313465
10130389323
1167668479
123780094b
1321023a5c
1413461d91
15b6a8d18
hex7c5954b

130389323 has 8 divisors (see below), whose sum is σ = 136814496. Its totient is φ = 124027200.

The previous prime is 130389293. The next prime is 130389463. The reversal of 130389323 is 323983031.

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 130389323 - 214 = 130372939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130389323.

It is not an unprimeable number, because it can be changed into a prime (130329323) 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, 11498 + ... + 19823.

It is an arithmetic number, because the mean of its divisors is an integer number (17101812).

Almost surely, 2130389323 is an apocalyptic number.

130389323 is a deficient number, since it is larger than the sum of its proper divisors (6425173).

130389323 is a wasteful number, since it uses less digits than its factorization.

130389323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31525.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 130389323 is about 11418.8144305790. The cubic root of 130389323 is about 507.0848982573.

The spelling of 130389323 in words is "one hundred thirty million, three hundred eighty-nine thousand, three hundred twenty-three".

Divisors: 1 23 181 4163 31321 720383 5669101 130389323