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130143289 is a prime number
BaseRepresentation
bin1111100000111…
…01010000111001
3100001212222000211
413300131100321
5231304041124
620525231121
73140125333
oct760352071
9301788024
10130143289
116750a641
12377024a1
1320c68a83
14133da453
15b65ae94
hex7c1d439

130143289 has 2 divisors, whose sum is σ = 130143290. Its totient is φ = 130143288.

The previous prime is 130143283. The next prime is 130143341. The reversal of 130143289 is 982341031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109893289 + 20250000 = 10483^2 + 4500^2 .

It is a cyclic number.

It is not a de Polignac number, because 130143289 - 27 = 130143161 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130143289.

It is not a weakly prime, because it can be changed into another prime (130143283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65071644 + 65071645.

It is an arithmetic number, because the mean of its divisors is an integer number (65071645).

Almost surely, 2130143289 is an apocalyptic number.

It is an amenable number.

130143289 is a deficient number, since it is larger than the sum of its proper divisors (1).

130143289 is an equidigital number, since it uses as much as digits as its factorization.

130143289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 130143289 is about 11408.0361587786. The cubic root of 130143289 is about 506.7657548488.

The spelling of 130143289 in words is "one hundred thirty million, one hundred forty-three thousand, two hundred eighty-nine".