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130403122 = 2457142673
BaseRepresentation
bin1111100010111…
…00101100110010
3100002101011110021
413301130230302
5231340344442
620534554054
73142260013
oct761345462
9302334407
10130403122
1167677883
123780892a
132102a115
141346700a
15b6ace67
hex7c5cb32

130403122 has 8 divisors (see below), whose sum is σ = 196034076. Its totient is φ = 65058432.

The previous prime is 130403113. The next prime is 130403129. The reversal of 130403122 is 221304031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 123854641 + 6548481 = 11129^2 + 2559^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 130403096 and 130403105.

It is not an unprimeable number, because it can be changed into a prime (130403129) 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, 70423 + ... + 72250.

Almost surely, 2130403122 is an apocalyptic number.

130403122 is a deficient number, since it is larger than the sum of its proper divisors (65630954).

130403122 is a wasteful number, since it uses less digits than its factorization.

130403122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143132.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 130403122 is about 11419.4186366907. The cubic root of 130403122 is about 507.1027857590.

Adding to 130403122 its reverse (221304031), we get a palindrome (351707153).

Subtracting 130403122 from its reverse (221304031), we obtain a palindrome (90900909).

It can be divided in two parts, 1304031 and 22, that multiplied together give a palindrome (28688682).

The spelling of 130403122 in words is "one hundred thirty million, four hundred three thousand, one hundred twenty-two".

Divisors: 1 2 457 914 142673 285346 65201561 130403122