Search a number
-
+
1152453131 = 6717200793
BaseRepresentation
bin100010010110001…
…0000101000001011
32222022112200111022
41010230100220023
54330012000011
6310205023055
740362455444
oct10454205013
92868480438
101152453131
11541591105
12281b54a8b
131549b783b
14ad0b42cb
156b2978db
hex44b10a0b

1152453131 has 4 divisors (see below), whose sum is σ = 1169653992. Its totient is φ = 1135252272.

The previous prime is 1152453101. The next prime is 1152453143. The reversal of 1152453131 is 1313542511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1313542511 = 4727947713.

It is a cyclic number.

It is not a de Polignac number, because 1152453131 - 26 = 1152453067 is a prime.

It is a super-2 number, since 2×11524531312 = 2656296438303406322, which contains 22 as substring.

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 1152453131.

It is not an unprimeable number, because it can be changed into a prime (1152453101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8600330 + ... + 8600463.

It is an arithmetic number, because the mean of its divisors is an integer number (292413498).

Almost surely, 21152453131 is an apocalyptic number.

1152453131 is a deficient number, since it is larger than the sum of its proper divisors (17200861).

1152453131 is an equidigital number, since it uses as much as digits as its factorization.

1152453131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17200860.

The product of its digits is 1800, while the sum is 26.

The square root of 1152453131 is about 33947.8000907275. The cubic root of 1152453131 is about 1048.4339863293.

Adding to 1152453131 its reverse (1313542511), we get a palindrome (2465995642).

The spelling of 1152453131 in words is "one billion, one hundred fifty-two million, four hundred fifty-three thousand, one hundred thirty-one".

Divisors: 1 67 17200793 1152453131