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25484441262653 = 202611257807673
BaseRepresentation
bin1011100101101100011110…
…00100011001101000111101
310100020021210112021121002002
411302312033010121220331
511320014113430401103
6130111220220112045
75240122132412222
oct562661704315075
9110207715247062
1025484441262653
11813598879537a
122a3707b995625
13112b231c9a5b9
1464164c71b949
152e2d97309488
hex172d8f119a3d

25484441262653 has 4 divisors (see below), whose sum is σ = 25485699090588. Its totient is φ = 25483183434720.

The previous prime is 25484441262629. The next prime is 25484441262661. The reversal of 25484441262653 is 35626214448452.

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 4480579760644 + 21003861502009 = 2116738^2 + 4582997^2 .

It is a cyclic number.

It is not a de Polignac number, because 25484441262653 - 214 = 25484441246269 is a prime.

It is a super-2 number, since 2×254844412626532 (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 (25484441262053) 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, 628883576 + ... + 628924097.

It is an arithmetic number, because the mean of its divisors is an integer number (6371424772647).

Almost surely, 225484441262653 is an apocalyptic number.

It is an amenable number.

25484441262653 is a deficient number, since it is larger than the sum of its proper divisors (1257827935).

25484441262653 is a wasteful number, since it uses less digits than its factorization.

25484441262653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257827934.

The product of its digits is 44236800, while the sum is 56.

The spelling of 25484441262653 in words is "twenty-five trillion, four hundred eighty-four billion, four hundred forty-one million, two hundred sixty-two thousand, six hundred fifty-three".

Divisors: 1 20261 1257807673 25484441262653