Search a number
-
+
2749489913 = 29313058387
BaseRepresentation
bin1010001111100001…
…1110001011111001
321002121122120002202
42203320132023321
521112332134123
61132455035545
7125064164402
oct24370361371
97077576082
102749489913
111191019515
1264896bbb5
1334a823911
141c12369a9
151115ada28
hexa3e1e2f9

2749489913 has 8 divisors (see below), whose sum is σ = 2936052480. Its totient is φ = 2569044240.

The previous prime is 2749489907. The next prime is 2749489927. The reversal of 2749489913 is 3199849472.

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 2749489913 - 28 = 2749489657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2749489903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1528295 + ... + 1530092.

It is an arithmetic number, because the mean of its divisors is an integer number (367006560).

Almost surely, 22749489913 is an apocalyptic number.

It is an amenable number.

2749489913 is a deficient number, since it is larger than the sum of its proper divisors (186562567).

2749489913 is a wasteful number, since it uses less digits than its factorization.

2749489913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3058447.

The product of its digits is 3919104, while the sum is 56.

The square root of 2749489913 is about 52435.5786942416. The cubic root of 2749489913 is about 1400.9330367085.

The spelling of 2749489913 in words is "two billion, seven hundred forty-nine million, four hundred eighty-nine thousand, nine hundred thirteen".

Divisors: 1 29 31 899 3058387 88693223 94809997 2749489913