Search a number
-
+
130015000 = 235426003
BaseRepresentation
bin1111011111111…
…01111100011000
3100001122110001101
413233331330120
5231240440000
620522401144
73136052323
oct757757430
9301573041
10130015000
1167432215
12376601b4
1320c2256b
14133a57ba
15b632e6a
hex7bfdf18

130015000 has 40 divisors (see below), whose sum is σ = 304636860. Its totient is φ = 52004000.

The previous prime is 130014991. The next prime is 130015007. The reversal of 130015000 is 510031.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8002 + ... + 18001.

Almost surely, 2130015000 is an apocalyptic number.

130015000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130015000 is an abundant number, since it is smaller than the sum of its proper divisors (174621860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130015000 is an equidigital number, since it uses as much as digits as its factorization.

130015000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26029 (or 26010 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 10.

The square root of 130015000 is about 11402.4120255321. The cubic root of 130015000 is about 506.5991849954.

Adding to 130015000 its reverse (510031), we get a palindrome (130525031).

The spelling of 130015000 in words is "one hundred thirty million, fifteen thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 625 1000 1250 2500 5000 26003 52006 104012 130015 208024 260030 520060 650075 1040120 1300150 2600300 3250375 5200600 6500750 13001500 16251875 26003000 32503750 65007500 130015000