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130020032 = 262031563
BaseRepresentation
bin1111011111111…
…11001011000000
3100001122200221202
413233333023000
5231241120112
620522440332
73136103102
oct757771300
9301580852
10130020032
1167435a7a
12376630a8
1320c2493c
14133a7572
15b6346c2
hex7bff2c0

130020032 has 14 divisors (see below), whose sum is σ = 258008628. Its totient is φ = 65009984.

The previous prime is 130020031. The next prime is 130020043. The reversal of 130020032 is 230020031.

It is a junction number, because it is equal to n+sod(n) for n = 130019995 and 130020022.

It is not an unprimeable number, because it can be changed into a prime (130020031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015718 + ... + 1015845.

Almost surely, 2130020032 is an apocalyptic number.

It is an amenable number.

130020032 is a deficient number, since it is larger than the sum of its proper divisors (127988596).

130020032 is an equidigital number, since it uses as much as digits as its factorization.

130020032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031575 (or 2031565 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 130020032 is about 11402.6326784651. The cubic root of 130020032 is about 506.6057205855.

Adding to 130020032 its reverse (230020031), we get a palindrome (360040063).

Subtracting 130020032 from its reverse (230020031), we obtain a palindrome (99999999).

The spelling of 130020032 in words is "one hundred thirty million, twenty thousand, thirty-two".

Divisors: 1 2 4 8 16 32 64 2031563 4063126 8126252 16252504 32505008 65010016 130020032