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130500615 = 3572814423
BaseRepresentation
bin1111100011101…
…00100000000111
3100002120010012010
413301310200013
5231402004430
620541025303
73143144160
oct761644007
9302503163
10130500615
1167734053
1237855233
13210625cb
1413490767
15b6cbcb0
hex7c74807

130500615 has 32 divisors (see below), whose sum is σ = 239533056. Its totient is φ = 59431680.

The previous prime is 130500613. The next prime is 130500631. The reversal of 130500615 is 516005031.

It is a happy number.

It is not a de Polignac number, because 130500615 - 21 = 130500613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 130500591 and 130500600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130500613) 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 31 ways as a sum of consecutive naturals, for example, 27294 + ... + 31716.

It is an arithmetic number, because the mean of its divisors is an integer number (7485408).

Almost surely, 2130500615 is an apocalyptic number.

130500615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

130500615 is a deficient number, since it is larger than the sum of its proper divisors (109032441).

130500615 is a wasteful number, since it uses less digits than its factorization.

130500615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4719.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 130500615 is about 11423.6865765829. The cubic root of 130500615 is about 507.2291289927.

Adding to 130500615 its reverse (516005031), we get a palindrome (646505646).

The spelling of 130500615 in words is "one hundred thirty million, five hundred thousand, six hundred fifteen".

Divisors: 1 3 5 7 15 21 35 105 281 843 1405 1967 4215 4423 5901 9835 13269 22115 29505 30961 66345 92883 154805 464415 1242863 3728589 6214315 8700041 18642945 26100123 43500205 130500615