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130147500 = 2235473767
BaseRepresentation
bin1111100000111…
…10010010101100
3100001220011210210
413300132102230
5231304210000
620525302420
73140143530
oct760362254
9301804723
10130147500
116751281a
1237704a10
1320c6a972
14133dbbc0
15b65c350
hex7c1e4ac

130147500 has 240 divisors, whose sum is σ = 452055296. Its totient is φ = 28512000.

The previous prime is 130147453. The next prime is 130147531. The reversal of 130147500 is 5741031.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1942467 + ... + 1942533.

Almost surely, 2130147500 is an apocalyptic number.

130147500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130147500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226027648).

130147500 is an abundant number, since it is smaller than the sum of its proper divisors (321907796).

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

130147500 is a wasteful number, since it uses less digits than its factorization.

130147500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 130147500 is about 11408.2207201649. The cubic root of 130147500 is about 506.7712205361.

Adding to 130147500 its reverse (5741031), we get a palindrome (135888531).

The spelling of 130147500 in words is "one hundred thirty million, one hundred forty-seven thousand, five hundred".