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525524113431001 = 859531161140791
BaseRepresentation
bin111011101111101100001111…
…0000110100001100111011001
32112220201121121001001012112001
41313133120132012201213121
51022340141341014243001
65101410240030121001
7215456602302423406
oct16737303606414731
92486647531035461
10525524113431001
111424a2585712433
124ab36116350161
131973093281c9c9
1493ab7079a92ad
1540b514ca34001
hex1ddf61e1a19d9

525524113431001 has 4 divisors (see below), whose sum is σ = 525524183167104. Its totient is φ = 525524043694900.

The previous prime is 525524113430963. The next prime is 525524113431013. The reversal of 525524113431001 is 100134311425525.

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 525524113431001 - 29 = 525524113430489 is a prime.

It is a super-4 number, since 4×5255241134310014 (a number of 60 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525524113431091) 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, 21975085 + ... + 39165706.

It is an arithmetic number, because the mean of its divisors is an integer number (131381045791776).

Almost surely, 2525524113431001 is an apocalyptic number.

It is an amenable number.

525524113431001 is a deficient number, since it is larger than the sum of its proper divisors (69736103).

525524113431001 is an equidigital number, since it uses as much as digits as its factorization.

525524113431001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69736102.

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 525524113431001 its reverse (100134311425525), we get a palindrome (625658424856526).

The spelling of 525524113431001 in words is "five hundred twenty-five trillion, five hundred twenty-four billion, one hundred thirteen million, four hundred thirty-one thousand, one".

Divisors: 1 8595311 61140791 525524113431001