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130221002 = 24110511511
BaseRepresentation
bin1111100001100…
…00001111001010
3100002000220122002
413300300033022
5231314033002
620531031002
73140601032
oct760601712
9302026562
10130221002
1167562a6a
123773b462
1320c95262
141341a8c2
15b674002
hex7c303ca

130221002 has 16 divisors (see below), whose sum is σ = 200418624. Its totient is φ = 63420000.

The previous prime is 130221001. The next prime is 130221097. The reversal of 130221002 is 200122031.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (130221001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85427 + ... + 86937.

It is an arithmetic number, because the mean of its divisors is an integer number (12526164).

Almost surely, 2130221002 is an apocalyptic number.

130221002 is a deficient number, since it is larger than the sum of its proper divisors (70197622).

130221002 is a wasteful number, since it uses less digits than its factorization.

130221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 130221002 is about 11411.4417143497. The cubic root of 130221002 is about 506.8666038212.

Adding to 130221002 its reverse (200122031), we get a palindrome (330343033).

The spelling of 130221002 in words is "one hundred thirty million, two hundred twenty-one thousand, two".

Divisors: 1 2 41 82 1051 1511 2102 3022 43091 61951 86182 123902 1588061 3176122 65110501 130221002