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130613551 = 592213789
BaseRepresentation
bin1111100100100…
…00000100101111
3100002202212002221
413302100010233
5231414113201
620543300211
73144124345
oct762200457
9302685087
10130613551
1167800992
12378aa667
13210a1b33
14134bd995
15b7004a1
hex7c9012f

130613551 has 4 divisors (see below), whose sum is σ = 132827400. Its totient is φ = 128399704.

The previous prime is 130613521. The next prime is 130613557. The reversal of 130613551 is 155316031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155316031 = 1311947387.

It is a cyclic number.

It is not a de Polignac number, because 130613551 - 217 = 130482479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130613557) 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 3 ways as a sum of consecutive naturals, for example, 1106836 + ... + 1106953.

It is an arithmetic number, because the mean of its divisors is an integer number (33206850).

Almost surely, 2130613551 is an apocalyptic number.

130613551 is a deficient number, since it is larger than the sum of its proper divisors (2213849).

130613551 is an equidigital number, since it uses as much as digits as its factorization.

130613551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213848.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 130613551 is about 11428.6285703929. The cubic root of 130613551 is about 507.3754064951.

Adding to 130613551 its reverse (155316031), we get a palindrome (285929582).

The spelling of 130613551 in words is "one hundred thirty million, six hundred thirteen thousand, five hundred fifty-one".

Divisors: 1 59 2213789 130613551