Search a number
-
+
1308015073 = 5922169747
BaseRepresentation
bin100110111110110…
…1011100111100001
310101011021001100201
41031331223213201
510134322440243
6333443145201
744261642011
oct11575534741
93334231321
101308015073
116113820a2
12306075201
1317acb3221
14c5a09c41
1579c7504d
hex4df6b9e1

1308015073 has 4 divisors (see below), whose sum is σ = 1330184880. Its totient is φ = 1285845268.

The previous prime is 1308015067. The next prime is 1308015077. The reversal of 1308015073 is 3705108031.

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 a cyclic number.

It is not a de Polignac number, because 1308015073 - 213 = 1308006881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1308015077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11084815 + ... + 11084932.

It is an arithmetic number, because the mean of its divisors is an integer number (332546220).

Almost surely, 21308015073 is an apocalyptic number.

It is an amenable number.

1308015073 is a deficient number, since it is larger than the sum of its proper divisors (22169807).

1308015073 is an equidigital number, since it uses as much as digits as its factorization.

1308015073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22169806.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 1308015073 is about 36166.4910241511. The cubic root of 1308015073 is about 1093.6312618726.

The spelling of 1308015073 in words is "one billion, three hundred eight million, fifteen thousand, seventy-three".

Divisors: 1 59 22169747 1308015073