Search a number
-
+
6981694134 = 2319531155527
BaseRepresentation
bin1101000000010010…
…00011001010110110
3200000120021210212020
412200021003022312
5103244303203014
63112441534010
7335004264252
oct64011031266
920016253766
106981694134
112a62a91158
12142a1a4306
1387359697c
144a3353262
152ace001a9
hex1a02432b6

6981694134 has 32 divisors (see below), whose sum is σ = 14975642880. Its totient is φ = 2163144672.

The previous prime is 6981694121. The next prime is 6981694163. The reversal of 6981694134 is 4314961896.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 571722 + ... + 583805.

It is an arithmetic number, because the mean of its divisors is an integer number (467988840).

Almost surely, 26981694134 is an apocalyptic number.

6981694134 is an abundant number, since it is smaller than the sum of its proper divisors (7993948746).

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

6981694134 is a wasteful number, since it uses less digits than its factorization.

6981694134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155604.

The product of its digits is 1119744, while the sum is 51.

The square root of 6981694134 is about 83556.5325632891. The cubic root of 6981694134 is about 1911.2622098356.

The spelling of 6981694134 in words is "six billion, nine hundred eighty-one million, six hundred ninety-four thousand, one hundred thirty-four".

Divisors: 1 2 3 6 19 38 53 57 106 114 159 318 1007 2014 3021 6042 1155527 2311054 3466581 6933162 21955013 43910026 61242931 65865039 122485862 131730078 183728793 367457586 1163615689 2327231378 3490847067 6981694134