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130948189 is a prime number
BaseRepresentation
bin1111100111000…
…01110001011101
3100010101212010221
413303201301131
5232010320224
620554401341
73150020101
oct763416135
9303355127
10130948189
1167a0a349
1237a30251
132118b248
1413569901
15b7696e4
hex7ce1c5d

130948189 has 2 divisors, whose sum is σ = 130948190. Its totient is φ = 130948188.

The previous prime is 130948163. The next prime is 130948277. The reversal of 130948189 is 981849031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66145689 + 64802500 = 8133^2 + 8050^2 .

It is a cyclic number.

It is not a de Polignac number, because 130948189 - 211 = 130946141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130948159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65474094 + 65474095.

It is an arithmetic number, because the mean of its divisors is an integer number (65474095).

Almost surely, 2130948189 is an apocalyptic number.

It is an amenable number.

130948189 is a deficient number, since it is larger than the sum of its proper divisors (1).

130948189 is an equidigital number, since it uses as much as digits as its factorization.

130948189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 130948189 is about 11443.2595443781. The cubic root of 130948189 is about 507.8083434434.

The spelling of 130948189 in words is "one hundred thirty million, nine hundred forty-eight thousand, one hundred eighty-nine".