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130033023 = 343344341
BaseRepresentation
bin1111100000000…
…10010101111111
3100001200100202220
413300002111333
5231242024043
620523020423
73136156011
oct760022577
9301610686
10130033023
116744480a
123766a713
1320c2a823
14133ac1b1
15b638483
hex7c0257f

130033023 has 4 divisors (see below), whose sum is σ = 173377368. Its totient is φ = 86688680.

The previous prime is 130032923. The next prime is 130033039. The reversal of 130033023 is 320330031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130033023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130032993 and 130033011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130033723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21672168 + ... + 21672173.

It is an arithmetic number, because the mean of its divisors is an integer number (43344342).

Almost surely, 2130033023 is an apocalyptic number.

130033023 is a deficient number, since it is larger than the sum of its proper divisors (43344345).

130033023 is an equidigital number, since it uses as much as digits as its factorization.

130033023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43344344.

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 130033023 is about 11403.2023133855. The cubic root of 130033023 is about 506.6225925901.

Adding to 130033023 its reverse (320330031), we get a palindrome (450363054).

The spelling of 130033023 in words is "one hundred thirty million, thirty-three thousand, twenty-three".

Divisors: 1 3 43344341 130033023