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5055600061 = 6899373277
BaseRepresentation
bin1001011010101011…
…00101010110111101
3111001100000002111201
410231111211112331
540323213200221
62153355015501
7236165614531
oct45525452675
914040002451
105055600061
112164833176
12b9113a591
13627527c35
1435d615bc1
151e8c8a891
hex12d5655bd

5055600061 has 4 divisors (see below), whose sum is σ = 5055742332. Its totient is φ = 5055457792.

The previous prime is 5055600049. The next prime is 5055600089. The reversal of 5055600061 is 1600065505.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1600065505 = 5320013101.

It can be written as a sum of positive squares in 2 ways, for example, as 728460100 + 4327139961 = 26990^2 + 65781^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5055600061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5055600041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32355 + ... + 105631.

It is an arithmetic number, because the mean of its divisors is an integer number (1263935583).

Almost surely, 25055600061 is an apocalyptic number.

It is an amenable number.

5055600061 is a deficient number, since it is larger than the sum of its proper divisors (142271).

5055600061 is an equidigital number, since it uses as much as digits as its factorization.

5055600061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142270.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 5055600061 is about 71102.7429920956. The cubic root of 5055600061 is about 1716.2909144898.

Adding to 5055600061 its reverse (1600065505), we get a palindrome (6655665566).

The spelling of 5055600061 in words is "five billion, fifty-five million, six hundred thousand, sixty-one".

Divisors: 1 68993 73277 5055600061