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130038889 is a prime number
BaseRepresentation
bin1111100000000…
…11110001101001
3100001200122211011
413300003301221
5231242221024
620523103521
73136212061
oct760036151
9301618734
10130038889
1167449162
1237671ba1
1320c303b6
14133b03a1
15b63a094
hex7c03c69

130038889 has 2 divisors, whose sum is σ = 130038890. Its totient is φ = 130038888.

The previous prime is 130038877. The next prime is 130038913. The reversal of 130038889 is 988830031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112466025 + 17572864 = 10605^2 + 4192^2 .

It is a cyclic number.

It is not a de Polignac number, because 130038889 - 27 = 130038761 is a prime.

It is a super-2 number, since 2×1300388892 = 33820225304708642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (130038859) 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 as a sum of consecutive naturals, namely, 65019444 + 65019445.

It is an arithmetic number, because the mean of its divisors is an integer number (65019445).

Almost surely, 2130038889 is an apocalyptic number.

It is an amenable number.

130038889 is a deficient number, since it is larger than the sum of its proper divisors (1).

130038889 is an equidigital number, since it uses as much as digits as its factorization.

130038889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 130038889 is about 11403.4595189355. The cubic root of 130038889 is about 506.6302106637.

The spelling of 130038889 in words is "one hundred thirty million, thirty-eight thousand, eight hundred eighty-nine".