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1152151361 = 2311498551
BaseRepresentation
bin100010010101100…
…0110111101000001
32222021222100112122
41010223012331001
54324422320421
6310154334025
740360060604
oct10453067501
92867870478
101152151361
115413a5409
12281a2a315
1315491038a
14ad03633b
156b2382ab
hex44ac6f41

1152151361 has 4 divisors (see below), whose sum is σ = 1152652224. Its totient is φ = 1151650500.

The previous prime is 1152151333. The next prime is 1152151367. The reversal of 1152151361 is 1631512511.

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 a de Polignac number, because none of the positive numbers 2k-1152151361 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 1152151361.

It is not an unprimeable number, because it can be changed into a prime (1152151367) 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, 246965 + ... + 251586.

It is an arithmetic number, because the mean of its divisors is an integer number (288163056).

Almost surely, 21152151361 is an apocalyptic number.

It is an amenable number.

1152151361 is a deficient number, since it is larger than the sum of its proper divisors (500863).

1152151361 is an equidigital number, since it uses as much as digits as its factorization.

1152151361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500862.

The product of its digits is 900, while the sum is 26.

The square root of 1152151361 is about 33943.3551818320. The cubic root of 1152151361 is about 1048.3424674829.

Adding to 1152151361 its reverse (1631512511), we get a palindrome (2783663872).

The spelling of 1152151361 in words is "one billion, one hundred fifty-two million, one hundred fifty-one thousand, three hundred sixty-one".

Divisors: 1 2311 498551 1152151361