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525312440505041 = 775044634357863
BaseRepresentation
bin111011101110001001101010…
…1011010011001001011010001
32112212222101020012002102220112
41313130103111122121023101
51022323204334232130131
65101125111552451105
7215435366661303320
oct16734232532311321
92485871205072815
10525312440505041
11142420833886192
124ab010a1549a95
131971699b056067
1493a13874ca0b7
1540ae8ae8ea02b
hex1ddc4d56992d1

525312440505041 has 4 divisors (see below), whose sum is σ = 600357074862912. Its totient is φ = 450267806147172.

The previous prime is 525312440504993. The next prime is 525312440505053. The reversal of 525312440505041 is 140505044213525.

It is a happy number.

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 525312440505041 - 226 = 525312373396177 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 525312440505041.

It is not an unprimeable number, because it can be changed into a prime (525312440505341) 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, 37522317178925 + ... + 37522317178938.

It is an arithmetic number, because the mean of its divisors is an integer number (150089268715728).

Almost surely, 2525312440505041 is an apocalyptic number.

It is an amenable number.

525312440505041 is a deficient number, since it is larger than the sum of its proper divisors (75044634357871).

525312440505041 is an equidigital number, since it uses as much as digits as its factorization.

525312440505041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75044634357870.

The product of its (nonzero) digits is 480000, while the sum is 41.

Adding to 525312440505041 its reverse (140505044213525), we get a palindrome (665817484718566).

The spelling of 525312440505041 in words is "five hundred twenty-five trillion, three hundred twelve billion, four hundred forty million, five hundred five thousand, forty-one".

Divisors: 1 7 75044634357863 525312440505041