Search a number
-
+
5550061109 = 6478578147
BaseRepresentation
bin1010010101100111…
…10011011000110101
3112022210102022112212
411022303303120311
542331303423414
62314421023205
7254351512115
oct51263633065
915283368485
105550061109
11239895706a
1210aa854b05
136a5ac0b38
143a9169045
152273ac83e
hex14acf3635

5550061109 has 4 divisors (see below), whose sum is σ = 5558639904. Its totient is φ = 5541482316.

The previous prime is 5550061091. The next prime is 5550061141. The reversal of 5550061109 is 9011600555.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9011600555 = 51802320111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5550061109 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 (5550061159) 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, 4288427 + ... + 4289720.

It is an arithmetic number, because the mean of its divisors is an integer number (1389659976).

Almost surely, 25550061109 is an apocalyptic number.

It is an amenable number.

5550061109 is a deficient number, since it is larger than the sum of its proper divisors (8578795).

5550061109 is an equidigital number, since it uses as much as digits as its factorization.

5550061109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8578794.

The product of its (nonzero) digits is 6750, while the sum is 32.

The square root of 5550061109 is about 74498.7322643815. The cubic root of 5550061109 is about 1770.5135506438.

The spelling of 5550061109 in words is "five billion, five hundred fifty million, sixty-one thousand, one hundred nine".

Divisors: 1 647 8578147 5550061109