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130418980 = 2256520949
BaseRepresentation
bin1111100011000…
…00100100100100
3100002101222012121
413301200210210
5231341401410
620535155324
73142354156
oct761404444
9302358177
10130418980
116768878a
1237815b44
13210343c3
141346cad6
15b6b29da
hex7c60924

130418980 has 12 divisors (see below), whose sum is σ = 273879900. Its totient is φ = 52167584.

The previous prime is 130418971. The next prime is 130418987. The reversal of 130418980 is 89814031.

It is a happy number.

130418980 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 85045284 + 45373696 = 9222^2 + 6736^2 .

It is a super-2 number, since 2×1304189802 = 34018220688480800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130418987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3260455 + ... + 3260494.

It is an arithmetic number, because the mean of its divisors is an integer number (22823325).

Almost surely, 2130418980 is an apocalyptic number.

130418980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130418980 is an abundant number, since it is smaller than the sum of its proper divisors (143460920).

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

130418980 is a wasteful number, since it uses less digits than its factorization.

130418980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6520958 (or 6520956 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 130418980 is about 11420.1129591611. The cubic root of 130418980 is about 507.1233407628.

The spelling of 130418980 in words is "one hundred thirty million, four hundred eighteen thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 6520949 13041898 26083796 32604745 65209490 130418980