Search a number
-
+
2006880039 = 321717597457
BaseRepresentation
bin111011110011110…
…1000111100100111
312011212022001212100
41313213220330213
513102230130124
6531050223143
7100506125133
oct16747507447
95155261770
102006880039
1193a91674a
12480124ab3
1325ca15aa8
1415076a3c3
15bb2c11c9
hex779e8f27

2006880039 has 24 divisors (see below), whose sum is σ = 3071502720. Its totient is φ = 1258334208.

The previous prime is 2006879989. The next prime is 2006880041. The reversal of 2006880039 is 9300886002.

It is not a de Polignac number, because 2006880039 - 27 = 2006879911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2006879985 and 2006880012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006880049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 265399 + ... + 272855.

It is an arithmetic number, because the mean of its divisors is an integer number (127979280).

Almost surely, 22006880039 is an apocalyptic number.

2006880039 is a deficient number, since it is larger than the sum of its proper divisors (1064622681).

2006880039 is a wasteful number, since it uses less digits than its factorization.

2006880039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9239 (or 9236 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2006880039 is about 44798.2146854091. The cubic root of 2006880039 is about 1261.3641140947.

The spelling of 2006880039 in words is "two billion, six million, eight hundred eighty thousand, thirty-nine".

Divisors: 1 3 9 17 51 153 1759 5277 7457 15831 22371 29903 67113 89709 126769 269127 380307 1140921 13116863 39350589 118051767 222986671 668960013 2006880039