Base | Representation |
---|---|
bin | 1110010001001011101… |
… | …0011000111110011001 |
3 | 212102201120011012012001 |
4 | 3210102322120332121 |
5 | 13004011342314114 |
6 | 304340015521001 |
7 | 23465363203462 |
oct | 3442272307631 |
9 | 772646135161 |
10 | 245130432409 |
11 | 94a60814025 |
12 | 3b611829161 |
13 | 1a16726a855 |
14 | bc15bc3d69 |
15 | 659a579374 |
hex | 3912e98f99 |
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".
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