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5452251081 = 31817417027
BaseRepresentation
bin1010001001111101…
…01011111111001001
3112001222101001102020
411010332223333021
542131234013311
62301004355053
7252053240514
oct50476537711
915058331366
105452251081
112348720a32
121081b45a89
1368b766094
1439a187d7b
1521d9dbc06
hex144fabfc9

5452251081 has 4 divisors (see below), whose sum is σ = 7269668112. Its totient is φ = 3634834052.

The previous prime is 5452251043. The next prime is 5452251151. The reversal of 5452251081 is 1801522545.

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 5452251081 - 213 = 5452242889 is a prime.

It is a super-2 number, since 2×54522510812 = 59454083700531337122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5452251011) 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, 908708511 + ... + 908708516.

It is an arithmetic number, because the mean of its divisors is an integer number (1817417028).

Almost surely, 25452251081 is an apocalyptic number.

It is an amenable number.

5452251081 is a deficient number, since it is larger than the sum of its proper divisors (1817417031).

5452251081 is a wasteful number, since it uses less digits than its factorization.

5452251081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817417030.

The product of its (nonzero) digits is 16000, while the sum is 33.

The square root of 5452251081 is about 73839.3599714949. The cubic root of 5452251081 is about 1760.0511220731.

The spelling of 5452251081 in words is "five billion, four hundred fifty-two million, two hundred fifty-one thousand, eighty-one".

Divisors: 1 3 1817417027 5452251081