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5455127081 = 9157595733
BaseRepresentation
bin1010001010010011…
…01010001000101001
3112002011210011112202
411011021222020221
542133003031311
62301150145545
7252116546405
oct50511521051
915064704482
105455127081
11234a305798
121082ab22b5
1368c232161
1439a6d6105
1521dda8e3b
hex14526a229

5455127081 has 4 divisors (see below), whose sum is σ = 5455731972. Its totient is φ = 5454522192.

The previous prime is 5455127077. The next prime is 5455127087. The reversal of 5455127081 is 1807215545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1807215545 = 5361443109.

It can be written as a sum of positive squares in 2 ways, for example, as 598291600 + 4856835481 = 24460^2 + 69691^2 .

It is a cyclic number.

It is not a de Polignac number, because 5455127081 - 22 = 5455127077 is a prime.

It is a super-2 number, since 2×54551270812 = 59516822939719161122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5455127087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288710 + ... + 307023.

It is an arithmetic number, because the mean of its divisors is an integer number (1363932993).

Almost surely, 25455127081 is an apocalyptic number.

It is an amenable number.

5455127081 is a deficient number, since it is larger than the sum of its proper divisors (604891).

5455127081 is an equidigital number, since it uses as much as digits as its factorization.

5455127081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604890.

The product of its (nonzero) digits is 56000, while the sum is 38.

The square root of 5455127081 is about 73858.8321123479. The cubic root of 5455127081 is about 1760.3605366115.

The spelling of 5455127081 in words is "five billion, four hundred fifty-five million, one hundred twenty-seven thousand, eighty-one".

Divisors: 1 9157 595733 5455127081