Search a number
-
+
3191858857189 = 194112732262833
BaseRepresentation
bin101110011100101001100…
…111010000010011100101
3102022010202010120001111201
4232130221213100103211
5404243411331412224
610442153020402501
7446414144430622
oct56345147202345
912263663501451
103191858857189
111020729127882
1243672b0a6431
131a1cb62bb6c2
14b06b5a8d349
15580630dca44
hex2e7299d04e5

3191858857189 has 16 divisors (see below), whose sum is σ = 3468899911680. Its totient is φ = 2926884119040.

The previous prime is 3191858857169. The next prime is 3191858857193. The reversal of 3191858857189 is 9817588581913.

3191858857189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3191858857189 - 29 = 3191858856677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3191858857169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16032484 + ... + 16230349.

It is an arithmetic number, because the mean of its divisors is an integer number (216806244480).

Almost surely, 23191858857189 is an apocalyptic number.

It is an amenable number.

3191858857189 is a deficient number, since it is larger than the sum of its proper divisors (277041054491).

3191858857189 is a wasteful number, since it uses less digits than its factorization.

3191858857189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32263020.

The product of its digits is 174182400, while the sum is 73.

The spelling of 3191858857189 in words is "three trillion, one hundred ninety-one billion, eight hundred fifty-eight million, eight hundred fifty-seven thousand, one hundred eighty-nine".

Divisors: 1 19 41 127 779 2413 5207 98933 32262833 612993827 1322776153 4097379791 25132746907 77850216029 167992571431 3191858857189