Search a number
-
+
6540605151 = 323463204733
BaseRepresentation
bin1100001011101100…
…11011011011011111
3121212211022011112020
412011312123123133
5101343343331101
63001003511223
7321040140453
oct60566333337
917784264466
106540605151
112857001503
121326528513
13803099c82
14460934663
15284322136
hex185d9b6df

6540605151 has 16 divisors (see below), whose sum is σ = 9119671296. Its totient is φ = 4161792096.

The previous prime is 6540605147. The next prime is 6540605189. The reversal of 6540605151 is 1515060456.

It is not a de Polignac number, because 6540605151 - 22 = 6540605147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6540605101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70420 + ... + 134313.

It is an arithmetic number, because the mean of its divisors is an integer number (569979456).

Almost surely, 26540605151 is an apocalyptic number.

6540605151 is a deficient number, since it is larger than the sum of its proper divisors (2579066145).

6540605151 is a wasteful number, since it uses less digits than its factorization.

6540605151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205222.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 6540605151 is about 80874.0078826319. The cubic root of 6540605151 is about 1870.1336470202.

The spelling of 6540605151 in words is "six billion, five hundred forty million, six hundred five thousand, one hundred fifty-one".

Divisors: 1 3 23 69 463 1389 10649 31947 204733 614199 4708859 14126577 94791379 284374137 2180201717 6540605151