Search a number
-
+
1268116073 = 7181159439
BaseRepresentation
bin100101110010101…
…1110101001101001
310021101011222012222
41023211132221221
510044114203243
6325500043425
743265544260
oct11345365151
93241158188
101268116073
115a0900414
122b4833575
13172953653
14c05c15d7
15764e3168
hex4b95ea69

1268116073 has 4 divisors (see below), whose sum is σ = 1449275520. Its totient is φ = 1086956628.

The previous prime is 1268116067. The next prime is 1268116079. The reversal of 1268116073 is 3706118621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1268116067) and next prime (1268116079).

It is a cyclic number.

It is not a de Polignac number, because 1268116073 - 28 = 1268115817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1268116079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90579713 + ... + 90579726.

It is an arithmetic number, because the mean of its divisors is an integer number (362318880).

Almost surely, 21268116073 is an apocalyptic number.

It is an amenable number.

1268116073 is a deficient number, since it is larger than the sum of its proper divisors (181159447).

1268116073 is an equidigital number, since it uses as much as digits as its factorization.

1268116073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181159446.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1268116073 is about 35610.6174195281. The cubic root of 1268116073 is about 1082.3963914370.

The spelling of 1268116073 in words is "one billion, two hundred sixty-eight million, one hundred sixteen thousand, seventy-three".

Divisors: 1 7 181159439 1268116073