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130015027 = 894013643
BaseRepresentation
bin1111011111111…
…01111100110011
3100001122110002101
413233331330303
5231240440102
620522401231
73136052362
oct757757463
9301573071
10130015027
116743223a
1237660217
1320c2258c
14133a57d9
15b632e87
hex7bfdf33

130015027 has 8 divisors (see below), whose sum is σ = 131839920. Its totient is φ = 128198400.

The previous prime is 130015009. The next prime is 130015049. The reversal of 130015027 is 720510031.

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

It is a cyclic number.

It is not a de Polignac number, because 130015027 - 223 = 121626419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130014995 and 130015013.

It is not an unprimeable number, because it can be changed into a prime (130015007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33868 + ... + 37510.

It is an arithmetic number, because the mean of its divisors is an integer number (16479990).

Almost surely, 2130015027 is an apocalyptic number.

130015027 is a deficient number, since it is larger than the sum of its proper divisors (1824893).

130015027 is an equidigital number, since it uses as much as digits as its factorization.

130015027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4133.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 130015027 is about 11402.4132094921. The cubic root of 130015027 is about 506.5992200636.

Adding to 130015027 its reverse (720510031), we get a palindrome (850525058).

The spelling of 130015027 in words is "one hundred thirty million, fifteen thousand, twenty-seven".

Divisors: 1 89 401 3643 35689 324227 1460843 130015027