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130130948 = 22271120047
BaseRepresentation
bin1111100000110…
…10010000000100
3100001212100002202
413300122100010
5231303142243
620525054032
73140044343
oct760322004
9301770082
10130130948
1167501342
12376b7318
1320c6327c
14133d5b5a
15b6574b8
hex7c1a404

130130948 has 12 divisors (see below), whose sum is σ = 228571392. Its totient is φ = 64824840.

The previous prime is 130130947. The next prime is 130131011. The reversal of 130130948 is 849031031.

It is a super-4 number, since 4×1301309484 (a number of 34 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130130948.

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 3 ways as a sum of consecutive naturals, for example, 58940 + ... + 61107.

It is an arithmetic number, because the mean of its divisors is an integer number (19047616).

Almost surely, 2130130948 is an apocalyptic number.

It is an amenable number.

130130948 is a deficient number, since it is larger than the sum of its proper divisors (98440444).

130130948 is a wasteful number, since it uses less digits than its factorization.

130130948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120322 (or 120320 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 130130948 is about 11407.4952553135. The cubic root of 130130948 is about 506.7497361105.

Adding to 130130948 its reverse (849031031), we get a palindrome (979161979).

The spelling of 130130948 in words is "one hundred thirty million, one hundred thirty thousand, nine hundred forty-eight".

Divisors: 1 2 4 271 542 1084 120047 240094 480188 32532737 65065474 130130948