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5104509989 = 13737259197
BaseRepresentation
bin1001100000100000…
…01010010000100101
3111011202000222022112
410300100022100211
540423223304424
62202303210405
7240331422215
oct46020122045
914152028275
105104509989
11218a3a99a7
12ba55a6a05
136346c1117
14365d08245
151ed1ec60e
hex13040a425

5104509989 has 4 divisors (see below), whose sum is σ = 5141769324. Its totient is φ = 5067250656.

The previous prime is 5104509937. The next prime is 5104510001. The reversal of 5104509989 is 9899054015.

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 2403940900 + 2700569089 = 49030^2 + 51967^2 .

It is a cyclic number.

It is not a de Polignac number, because 5104509989 - 216 = 5104444453 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 (5104509089) 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, 18629462 + ... + 18629735.

It is an arithmetic number, because the mean of its divisors is an integer number (1285442331).

Almost surely, 25104509989 is an apocalyptic number.

It is an amenable number.

5104509989 is a deficient number, since it is larger than the sum of its proper divisors (37259335).

5104509989 is a wasteful number, since it uses less digits than its factorization.

5104509989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37259334.

The product of its (nonzero) digits is 583200, while the sum is 50.

The square root of 5104509989 is about 71445.8535465845. The cubic root of 5104509989 is about 1721.8078599205.

The spelling of 5104509989 in words is "five billion, one hundred four million, five hundred nine thousand, nine hundred eighty-nine".

Divisors: 1 137 37259197 5104509989