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25252803053 = 101250027753
BaseRepresentation
bin10111100001001011…
…110011000111101101
32102011220121022101222
4113201023303013231
5403204204144203
615333451113125
71552534166342
oct274113630755
972156538358
1025252803053
11a789604775
124a891427a5
1324c5a1aa1a
141317b927c9
159cbeac038
hex5e12f31ed

25252803053 has 4 divisors (see below), whose sum is σ = 25502830908. Its totient is φ = 25002775200.

The previous prime is 25252803001. The next prime is 25252803061. The reversal of 25252803053 is 35030825252.

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 18145975849 + 7106827204 = 134707^2 + 84302^2 .

It is a cyclic number.

It is not a de Polignac number, because 25252803053 - 26 = 25252802989 is a prime.

It is a super-2 number, since 2×252528030532 (a number of 22 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 (25252803083) 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, 125013776 + ... + 125013977.

It is an arithmetic number, because the mean of its divisors is an integer number (6375707727).

Almost surely, 225252803053 is an apocalyptic number.

It is an amenable number.

25252803053 is a deficient number, since it is larger than the sum of its proper divisors (250027855).

25252803053 is a wasteful number, since it uses less digits than its factorization.

25252803053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250027854.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 25252803053 in words is "twenty-five billion, two hundred fifty-two million, eight hundred three thousand, fifty-three".

Divisors: 1 101 250027753 25252803053