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245130432409 is a prime number
BaseRepresentation
bin1110010001001011101…
…0011000111110011001
3212102201120011012012001
43210102322120332121
513004011342314114
6304340015521001
723465363203462
oct3442272307631
9772646135161
10245130432409
1194a60814025
123b611829161
131a16726a855
14bc15bc3d69
15659a579374
hex3912e98f99

245130432409 has 2 divisors, whose sum is σ = 245130432410. Its totient is φ = 245130432408.

The previous prime is 245130432367. The next prime is 245130432427. The reversal of 245130432409 is 904234031542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203516472384 + 41613960025 = 451128^2 + 203995^2 .

It is a cyclic number.

It is not a de Polignac number, because 245130432409 - 211 = 245130430361 is a prime.

It is not a weakly prime, because it can be changed into another prime (245130432479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122565216204 + 122565216205.

It is an arithmetic number, because the mean of its divisors is an integer number (122565216205).

Almost surely, 2245130432409 is an apocalyptic number.

It is an amenable number.

245130432409 is a deficient number, since it is larger than the sum of its proper divisors (1).

245130432409 is an equidigital number, since it uses as much as digits as its factorization.

245130432409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 245130432409 in words is "two hundred forty-five billion, one hundred thirty million, four hundred thirty-two thousand, four hundred nine".