Search a number
-
+
15116604545 = 57431902987
BaseRepresentation
bin11100001010000010…
…10001010010000001
31110000111120002001102
432011001101102001
5221424322321140
610540001144145
71043414006240
oct160501212201
943014502042
1015116604545
116457a24809
122b1a62b055
13156ba54623
14a358d8957
155d7198e15
hex385051481

15116604545 has 8 divisors (see below), whose sum is σ = 20731343424. Its totient is φ = 10365671664.

The previous prime is 15116604487. The next prime is 15116604637. The reversal of 15116604545 is 54540661151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15116604545 - 220 = 15115555969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 15116604499 and 15116604508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215951459 + ... + 215951528.

It is an arithmetic number, because the mean of its divisors is an integer number (2591417928).

Almost surely, 215116604545 is an apocalyptic number.

It is an amenable number.

15116604545 is a deficient number, since it is larger than the sum of its proper divisors (5614738879).

15116604545 is an equidigital number, since it uses as much as digits as its factorization.

15116604545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431902999.

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 15116604545 in words is "fifteen billion, one hundred sixteen million, six hundred four thousand, five hundred forty-five".

Divisors: 1 5 7 35 431902987 2159514935 3023320909 15116604545