Search a number
-
+
3120211012 = 223892005277
BaseRepresentation
bin1011100111111010…
…1010010001000100
322001110020010211211
42321332222101010
522342233223022
61233340541204
7140215233052
oct27176522104
98043203754
103120211012
111361306796
12730b51804
133a9583509
142185791d2
15133ddbe77
hexb9faa444

3120211012 has 12 divisors (see below), whose sum is σ = 5474408940. Its totient is φ = 1556094176.

The previous prime is 3120210997. The next prime is 3120211013. The reversal of 3120211012 is 2101120213.

3120211012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 701932036 + 2418278976 = 26494^2 + 49176^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3120210983 and 3120211001.

It is not an unprimeable number, because it can be changed into a prime (3120211013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001083 + ... + 1004194.

It is an arithmetic number, because the mean of its divisors is an integer number (456200745).

Almost surely, 23120211012 is an apocalyptic number.

It is an amenable number.

3120211012 is a deficient number, since it is larger than the sum of its proper divisors (2354197928).

3120211012 is a wasteful number, since it uses less digits than its factorization.

3120211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005670 (or 2005668 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 3120211012 is about 55858.8490035375. The cubic root of 3120211012 is about 1461.2616560351.

Adding to 3120211012 its reverse (2101120213), we get a palindrome (5221331225).

The spelling of 3120211012 in words is "three billion, one hundred twenty million, two hundred eleven thousand, twelve".

Divisors: 1 2 4 389 778 1556 2005277 4010554 8021108 780052753 1560105506 3120211012