Search a number
-
+
2730730763 = 13120845273
BaseRepresentation
bin1010001011000011…
…1010010100001011
321001022100111101102
42202300322110023
521043031341023
61130545012015
7124445554115
oct24260722413
97038314342
102730730763
111181476492
1264262400b
13346986227
141bc9523b5
1510eb05628
hexa2c3a50b

2730730763 has 4 divisors (see below), whose sum is σ = 2751576168. Its totient is φ = 2709885360.

The previous prime is 2730730733. The next prime is 2730730771. The reversal of 2730730763 is 3670370372.

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 2730730763 - 210 = 2730729739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2730730733) 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, 10422506 + ... + 10422767.

It is an arithmetic number, because the mean of its divisors is an integer number (687894042).

Almost surely, 22730730763 is an apocalyptic number.

2730730763 is a deficient number, since it is larger than the sum of its proper divisors (20845405).

2730730763 is a wasteful number, since it uses less digits than its factorization.

2730730763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20845404.

The product of its (nonzero) digits is 111132, while the sum is 38.

The square root of 2730730763 is about 52256.3944699594. The cubic root of 2730730763 is about 1397.7396796848.

The spelling of 2730730763 in words is "two billion, seven hundred thirty million, seven hundred thirty thousand, seven hundred sixty-three".

Divisors: 1 131 20845273 2730730763