Search a number
-
+
1228050561518 = 21155820480069
BaseRepresentation
bin10001110111101101100…
…001000111100111101110
311100101210221210021111022
4101313231201013213232
5130110021420432033
62340054133254142
7154503144353534
oct21675541074756
94311727707438
101228050561518
114338a4588140
1217a007794352
138ba5cb295c1
144361baba154
1521e275dd098
hex11ded8479ee

1228050561518 has 8 divisors (see below), whose sum is σ = 2009537282520. Its totient is φ = 558204800680.

The previous prime is 1228050561503. The next prime is 1228050561527. The reversal of 1228050561518 is 8151650508221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27910240013 + ... + 27910240056.

It is an arithmetic number, because the mean of its divisors is an integer number (251192160315).

Almost surely, 21228050561518 is an apocalyptic number.

1228050561518 is a deficient number, since it is larger than the sum of its proper divisors (781486721002).

1228050561518 is a wasteful number, since it uses less digits than its factorization.

1228050561518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55820480082.

The product of its (nonzero) digits is 192000, while the sum is 44.

The spelling of 1228050561518 in words is "one trillion, two hundred twenty-eight billion, fifty million, five hundred sixty-one thousand, five hundred eighteen".

Divisors: 1 2 11 22 55820480069 111640960138 614025280759 1228050561518