Search a number
-
+
6984209142 = 2322913379711
BaseRepresentation
bin1101000000100101…
…01001001011110110
3200000202000120210200
412200102221023312
5103300424143032
63113011501330
7335034540531
oct64022511366
920022016720
106984209142
112a64449779
12142abb7846
13873c67641
144a3809a18
152ad24a47c
hex1a04a92f6

6984209142 has 24 divisors (see below), whose sum is σ = 15654263040. Its totient is φ = 2247791280.

The previous prime is 6984209119. The next prime is 6984209147. The reversal of 6984209142 is 2419024896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6984209147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6689334 + ... + 6690377.

It is an arithmetic number, because the mean of its divisors is an integer number (652260960).

Almost surely, 26984209142 is an apocalyptic number.

6984209142 is an abundant number, since it is smaller than the sum of its proper divisors (8670053898).

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

6984209142 is a wasteful number, since it uses less digits than its factorization.

6984209142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13379748 (or 13379745 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 6984209142 is about 83571.5809471138. The cubic root of 6984209142 is about 1911.4916795786.

The spelling of 6984209142 in words is "six billion, nine hundred eighty-four million, two hundred nine thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 29 58 87 174 261 522 13379711 26759422 40139133 80278266 120417399 240834798 388011619 776023238 1164034857 2328069714 3492104571 6984209142