Search a number
-
+
2864120061 = 311563154159
BaseRepresentation
bin1010101010110111…
…0000000011111101
321101121100101002210
42222231300003331
521331203320221
61152112011033
7130655422155
oct25255600375
97347311083
102864120061
11123a7a2880
1267b230a79
133684ba5ca
141d2555765
1511b6a3276
hexaab700fd

2864120061 has 16 divisors (see below), whose sum is σ = 4173419520. Its totient is φ = 1732735920.

The previous prime is 2864120047. The next prime is 2864120081. The reversal of 2864120061 is 1600214682.

It is not a de Polignac number, because 2864120061 - 25 = 2864120029 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2864120081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58501 + ... + 95658.

It is an arithmetic number, because the mean of its divisors is an integer number (260838720).

Almost surely, 22864120061 is an apocalyptic number.

It is an amenable number.

2864120061 is a deficient number, since it is larger than the sum of its proper divisors (1309299459).

2864120061 is a wasteful number, since it uses less digits than its factorization.

2864120061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154736.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 2864120061 is about 53517.4743518414. The cubic root of 2864120061 is about 1420.1375356105.

The spelling of 2864120061 in words is "two billion, eight hundred sixty-four million, one hundred twenty thousand, sixty-one".

Divisors: 1 3 11 33 563 1689 6193 18579 154159 462477 1695749 5087247 86791517 260374551 954706687 2864120061