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BaseRepresentation
bin1111100000110…
…10010000000010
3100001212100002200
413300122100002
5231303142241
620525054030
73140044341
oct760322002
9301770080
10130130946
1167501340
12376b7316
1320c6327a
14133d5b58
15b6574b6
hex7c1a402

130130946 has 96 divisors (see below), whose sum is σ = 322470720. Its totient is φ = 37564800.

The previous prime is 130130929. The next prime is 130130947. The reversal of 130130946 is 649031031.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130130947) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 752116 + ... + 752288.

It is an arithmetic number, because the mean of its divisors is an integer number (3359070).

Almost surely, 2130130946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130130946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161235360).

130130946 is an abundant number, since it is smaller than the sum of its proper divisors (192339774).

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

130130946 is a wasteful number, since it uses less digits than its factorization.

130130946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 130130946 is about 11407.4951676518. The cubic root of 130130946 is about 506.7497335144.

Adding to 130130946 its reverse (649031031), we get a palindrome (779161977).

The spelling of 130130946 in words is "one hundred thirty million, one hundred thirty thousand, nine hundred forty-six".