Search a number
-
+
2730745773 = 32743345171
BaseRepresentation
bin1010001011000011…
…1101111110101101
321001022101020222100
42202300331332231
521043032331043
61130545205313
7124445645640
oct24260757655
97038336870
102730745773
111181486798
12642630839
13346990002
141bc957a57
1510eb09cd3
hexa2c3dfad

2730745773 has 12 divisors (see below), whose sum is σ = 4507897888. Its totient is φ = 1560426120.

The previous prime is 2730745727. The next prime is 2730745783. The reversal of 2730745773 is 3775470372.

2730745773 is a `hidden beast` number, since 2 + 7 + 3 + 0 + 74 + 577 + 3 = 666.

It is not a de Polignac number, because 2730745773 - 28 = 2730745517 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 (2730745723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21672523 + ... + 21672648.

Almost surely, 22730745773 is an apocalyptic number.

It is an amenable number.

2730745773 is a deficient number, since it is larger than the sum of its proper divisors (1777152115).

2730745773 is a wasteful number, since it uses less digits than its factorization.

2730745773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43345184 (or 43345181 counting only the distinct ones).

The product of its (nonzero) digits is 864360, while the sum is 45.

The square root of 2730745773 is about 52256.5380885493. The cubic root of 2730745773 is about 1397.7422406640.

The spelling of 2730745773 in words is "two billion, seven hundred thirty million, seven hundred forty-five thousand, seven hundred seventy-three".

Divisors: 1 3 7 9 21 63 43345171 130035513 303416197 390106539 910248591 2730745773