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130123593 = 3217850481
BaseRepresentation
bin1111100000110…
…00011101001001
3100001211222000100
413300120131021
5231302423333
620525000013
73140014035
oct760303511
9301758010
10130123593
11674a6866
12376b3009
1320c5cb12
14133d31c5
15b655213
hex7c18749

130123593 has 12 divisors (see below), whose sum is σ = 199012788. Its totient is φ = 81646080.

The previous prime is 130123583. The next prime is 130123601. The reversal of 130123593 is 395321031.

It is a happy number.

130123593 is a `hidden beast` number, since 1 + 301 + 2 + 359 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 63489024 + 66634569 = 7968^2 + 8163^2 .

It is not a de Polignac number, because 130123593 - 24 = 130123577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130123583) 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 11 ways as a sum of consecutive naturals, for example, 425088 + ... + 425393.

It is an arithmetic number, because the mean of its divisors is an integer number (16584399).

Almost surely, 2130123593 is an apocalyptic number.

It is an amenable number.

130123593 is a deficient number, since it is larger than the sum of its proper divisors (68889195).

130123593 is a wasteful number, since it uses less digits than its factorization.

130123593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850504 (or 850501 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 130123593 is about 11407.1728749940. The cubic root of 130123593 is about 506.7401887671.

The spelling of 130123593 in words is "one hundred thirty million, one hundred twenty-three thousand, five hundred ninety-three".

Divisors: 1 3 9 17 51 153 850481 2551443 7654329 14458177 43374531 130123593