Search a number
-
+
1115150017 = 7914115823
BaseRepresentation
bin100001001110111…
…1101011011000001
32212201100111020111
41002131331123001
54240434300032
6302353311321
736430422142
oct10235753301
92781314214
101115150017
11522522793
12271565541
1314a0566a7
14a8163ac9
1567d79c47
hex4277d6c1

1115150017 has 4 divisors (see below), whose sum is σ = 1129265920. Its totient is φ = 1101034116.

The previous prime is 1115149999. The next prime is 1115150063. The reversal of 1115150017 is 7100515111.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7100515111 = 30372338003.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1115150017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1115150017.

It is not an unprimeable number, because it can be changed into a prime (1115150087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7057833 + ... + 7057990.

It is an arithmetic number, because the mean of its divisors is an integer number (282316480).

Almost surely, 21115150017 is an apocalyptic number.

It is an amenable number.

1115150017 is a deficient number, since it is larger than the sum of its proper divisors (14115903).

1115150017 is an equidigital number, since it uses as much as digits as its factorization.

1115150017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14115902.

The product of its (nonzero) digits is 175, while the sum is 22.

The square root of 1115150017 is about 33393.8619659362. The cubic root of 1115150017 is about 1036.9976330551.

Adding to 1115150017 its reverse (7100515111), we get a palindrome (8215665128).

The spelling of 1115150017 in words is "one billion, one hundred fifteen million, one hundred fifty thousand, seventeen".

Divisors: 1 79 14115823 1115150017