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260251213 is a prime number
BaseRepresentation
bin11111000001100…
…01111001001101
3200010201010112211
433200301321031
51013111014323
641454030421
76310045615
oct1740617115
9603633484
10260251213
111239a5652
12731a8411
1341bc1701
14267c7a45
1517cab70d
hexf831e4d

260251213 has 2 divisors, whose sum is σ = 260251214. Its totient is φ = 260251212.

The previous prime is 260251177. The next prime is 260251223. The reversal of 260251213 is 312152062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 256576324 + 3674889 = 16018^2 + 1917^2 .

It is a cyclic number.

It is not a de Polignac number, because 260251213 - 217 = 260120141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260251223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130125606 + 130125607.

It is an arithmetic number, because the mean of its divisors is an integer number (130125607).

Almost surely, 2260251213 is an apocalyptic number.

It is an amenable number.

260251213 is a deficient number, since it is larger than the sum of its proper divisors (1).

260251213 is an equidigital number, since it uses as much as digits as its factorization.

260251213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 260251213 is about 16132.3034003207. The cubic root of 260251213 is about 638.4559237239.

The spelling of 260251213 in words is "two hundred sixty million, two hundred fifty-one thousand, two hundred thirteen".