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130401650 = 2522608033
BaseRepresentation
bin1111100010111…
…00010101110010
3100002101002102202
413301130111302
5231340323100
620534543202
73142252511
oct761342562
9302332382
10130401650
1167676765
1237807b02
1321029552
1413466678
15b6ac7d5
hex7c5c572

130401650 has 12 divisors (see below), whose sum is σ = 242547162. Its totient is φ = 52160640.

The previous prime is 130401629. The next prime is 130401683. The reversal of 130401650 is 56104031.

130401650 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 3 ways, for example, as 114297481 + 16104169 = 10691^2 + 4013^2 .

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1303967 + ... + 1304066.

Almost surely, 2130401650 is an apocalyptic number.

130401650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130401650 is a deficient number, since it is larger than the sum of its proper divisors (112145512).

130401650 is a wasteful number, since it uses less digits than its factorization.

130401650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608045 (or 2608040 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 130401650 is about 11419.3541848915. The cubic root of 130401650 is about 507.1008776807.

Adding to 130401650 its reverse (56104031), we get a palindrome (186505681).

The spelling of 130401650 in words is "one hundred thirty million, four hundred one thousand, six hundred fifty".

Divisors: 1 2 5 10 25 50 2608033 5216066 13040165 26080330 65200825 130401650