Search a number
-
+
45511550311 = 231978763057
BaseRepresentation
bin101010011000101100…
…110010010101100111
311100110210000022011111
4222120230302111213
51221201424102221
632524022245451
73200550536413
oct523054622547
9140423008144
1045511550311
11183350a13a7
1289a1886887
1343a3bab636
1422ba58dd43
1512b57d8be1
hexa98b32567

45511550311 has 4 divisors (see below), whose sum is σ = 47490313392. Its totient is φ = 43532787232.

The previous prime is 45511550299. The next prime is 45511550327. The reversal of 45511550311 is 11305511554.

It is a happy number.

45511550311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45511550311 - 29 = 45511549799 is a prime.

It is a super-4 number, since 4×455115503114 (a number of 44 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45511551311) 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, 989381506 + ... + 989381551.

It is an arithmetic number, because the mean of its divisors is an integer number (11872578348).

Almost surely, 245511550311 is an apocalyptic number.

45511550311 is a deficient number, since it is larger than the sum of its proper divisors (1978763081).

45511550311 is a wasteful number, since it uses less digits than its factorization.

45511550311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978763080.

The product of its (nonzero) digits is 7500, while the sum is 31.

The spelling of 45511550311 in words is "forty-five billion, five hundred eleven million, five hundred fifty thousand, three hundred eleven".

Divisors: 1 23 1978763057 45511550311