Search a number
-
+
6706672390 = 251160969749
BaseRepresentation
bin1100011111011111…
…11011001100000110
3122022101210020221201
412033233323030012
5102213402004030
63025255133114
7325124526505
oct61757731406
918271706851
106706672390
112931818260
12137207419a
1382b603202
14478a0283c
15293bc72ca
hex18fbfb306

6706672390 has 16 divisors (see below), whose sum is σ = 13169466000. Its totient is φ = 2438789920.

The previous prime is 6706672333. The next prime is 6706672403. The reversal of 6706672390 is 932766076.

It is a self number, because there is not a number n which added to its sum of digits gives 6706672390.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30484765 + ... + 30484984.

It is an arithmetic number, because the mean of its divisors is an integer number (823091625).

Almost surely, 26706672390 is an apocalyptic number.

6706672390 is a deficient number, since it is larger than the sum of its proper divisors (6462793610).

6706672390 is a wasteful number, since it uses less digits than its factorization.

6706672390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60969767.

The product of its (nonzero) digits is 571536, while the sum is 46.

The square root of 6706672390 is about 81894.2756851784. The cubic root of 6706672390 is about 1885.8292350262.

The spelling of 6706672390 in words is "six billion, seven hundred six million, six hundred seventy-two thousand, three hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 60969749 121939498 304848745 609697490 670667239 1341334478 3353336195 6706672390