Search a number
-
+
2135522115 = 325431103629
BaseRepresentation
bin111111101001001…
…0111101101000011
312111211100202121200
41333102113231003
513333143201430
6551523352243
7103630431666
oct17722275503
95454322550
102135522115
119a64a0411
124b7222683
1328057746c
141638956dd
15c7732460
hex7f497b43

2135522115 has 24 divisors (see below), whose sum is σ = 3787658160. Its totient is φ = 1112457024.

The previous prime is 2135522113. The next prime is 2135522131. The reversal of 2135522115 is 5112255312.

2135522115 is a `hidden beast` number, since 2 + 135 + 522 + 1 + 1 + 5 = 666.

It is not a de Polignac number, because 2135522115 - 21 = 2135522113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2135522113) 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 23 ways as a sum of consecutive naturals, for example, 549880 + ... + 553749.

It is an arithmetic number, because the mean of its divisors is an integer number (157819090).

Almost surely, 22135522115 is an apocalyptic number.

2135522115 is a deficient number, since it is larger than the sum of its proper divisors (1652136045).

2135522115 is a wasteful number, since it uses less digits than its factorization.

2135522115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103683 (or 1103680 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 2135522115 is about 46211.7097173433. The cubic root of 2135522115 is about 1287.7592884642.

Adding to 2135522115 its reverse (5112255312), we get a palindrome (7247777427).

The spelling of 2135522115 in words is "two billion, one hundred thirty-five million, five hundred twenty-two thousand, one hundred fifteen".

Divisors: 1 3 5 9 15 43 45 129 215 387 645 1935 1103629 3310887 5518145 9932661 16554435 47456047 49663305 142368141 237280235 427104423 711840705 2135522115