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52513050422053 = 134039465417081
BaseRepresentation
bin10111111000010101001011…
…01101110110101100100101
320212221012100202212221212101
423330022211231312230211
523340333211402001203
6303404055021252101
714026641225516334
oct1374124555665445
9225835322787771
1052513050422053
1115806728a50641
125a8146a404031
13233bc61a7c330
14cd790660dd1b
15610eb933241d
hex2fc2a5b76b25

52513050422053 has 4 divisors (see below), whose sum is σ = 56552515839148. Its totient is φ = 48473585004960.

The previous prime is 52513050422047. The next prime is 52513050422099. The reversal of 52513050422053 is 35022405031525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11609952246244 + 40903098175809 = 3407338^2 + 6395553^2 .

It is a cyclic number.

It is not a de Polignac number, because 52513050422053 - 237 = 52375611468581 is a prime.

It is a super-2 number, since 2×525130504220532 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52513050122053) 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, 2019732708528 + ... + 2019732708553.

It is an arithmetic number, because the mean of its divisors is an integer number (14138128959787).

Almost surely, 252513050422053 is an apocalyptic number.

It is an amenable number.

52513050422053 is a deficient number, since it is larger than the sum of its proper divisors (4039465417095).

52513050422053 is a wasteful number, since it uses less digits than its factorization.

52513050422053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4039465417094.

The product of its (nonzero) digits is 180000, while the sum is 37.

Adding to 52513050422053 its reverse (35022405031525), we get a palindrome (87535455453578).

The spelling of 52513050422053 in words is "fifty-two trillion, five hundred thirteen billion, fifty million, four hundred twenty-two thousand, fifty-three".

Divisors: 1 13 4039465417081 52513050422053