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1268324305 = 52320275441
BaseRepresentation
bin100101110011001…
…0001011111010001
310021101120112212021
41023212101133101
510044142334210
6325504331441
743300402333
oct11346213721
93241515767
101268324305
115a0a32906
122b4913b81
131729c7371
14c0637453
1576534bda
hex4b9917d1

1268324305 has 16 divisors (see below), whose sum is σ = 1589238144. Its totient is φ = 969886720.

The previous prime is 1268324303. The next prime is 1268324339. The reversal of 1268324305 is 5034238621.

It is not a de Polignac number, because 1268324305 - 21 = 1268324303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1268324303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230385 + ... + 235825.

It is an arithmetic number, because the mean of its divisors is an integer number (99327384).

Almost surely, 21268324305 is an apocalyptic number.

It is an amenable number.

1268324305 is a deficient number, since it is larger than the sum of its proper divisors (320913839).

1268324305 is a wasteful number, since it uses less digits than its factorization.

1268324305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7496.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 1268324305 is about 35613.5410342752. The cubic root of 1268324305 is about 1082.4556334456.

The spelling of 1268324305 in words is "one billion, two hundred sixty-eight million, three hundred twenty-four thousand, three hundred five".

Divisors: 1 5 23 115 2027 5441 10135 27205 46621 125143 233105 625715 11028907 55144535 253664861 1268324305