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130315627 = 1310024279
BaseRepresentation
bin1111100010001…
…11010101101011
3100002012201102201
413301013111223
5231330100002
620533041031
73141443641
oct761072553
9302181381
10130315627
1167618072
1237786177
1320cc9350
1413443191
15b692087
hex7c4756b

130315627 has 4 divisors (see below), whose sum is σ = 140339920. Its totient is φ = 120291336.

The previous prime is 130315613. The next prime is 130315637. The reversal of 130315627 is 726513031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 726513031 = 1315545901.

It is a cyclic number.

It is not a de Polignac number, because 130315627 - 219 = 129791339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130315595 and 130315604.

It is not an unprimeable number, because it can be changed into a prime (130315637) 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, 5012127 + ... + 5012152.

It is an arithmetic number, because the mean of its divisors is an integer number (35084980).

Almost surely, 2130315627 is an apocalyptic number.

130315627 is a deficient number, since it is larger than the sum of its proper divisors (10024293).

130315627 is a wasteful number, since it uses less digits than its factorization.

130315627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10024292.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 130315627 is about 11415.5870195098. The cubic root of 130315627 is about 506.9893455169.

Adding to 130315627 its reverse (726513031), we get a palindrome (856828658).

The spelling of 130315627 in words is "one hundred thirty million, three hundred fifteen thousand, six hundred twenty-seven".

Divisors: 1 13 10024279 130315627