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2906921106 = 232161495617
BaseRepresentation
bin1010110101000100…
…0001100010010010
321111120212220002200
42231101001202102
521423132433411
61200241224030
7132015264435
oct25521014222
97446786080
102906921106
111261976941
12691632016
1337432507b
141d80d781c
15120309e56
hexad441892

2906921106 has 12 divisors (see below), whose sum is σ = 6298329102. Its totient is φ = 968973696.

The previous prime is 2906921099. The next prime is 2906921107. The reversal of 2906921106 is 6011296092.

It can be written as a sum of positive squares in only one way, i.e., 2869209225 + 37711881 = 53565^2 + 6141^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2906921107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80747791 + ... + 80747826.

Almost surely, 22906921106 is an apocalyptic number.

2906921106 is an abundant number, since it is smaller than the sum of its proper divisors (3391407996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2906921106 is a wasteful number, since it uses less digits than its factorization.

2906921106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161495625 (or 161495622 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 2906921106 is about 53915.8706319392. The cubic root of 2906921106 is about 1427.1767051266.

The spelling of 2906921106 in words is "two billion, nine hundred six million, nine hundred twenty-one thousand, one hundred six".

Divisors: 1 2 3 6 9 18 161495617 322991234 484486851 968973702 1453460553 2906921106