Search a number
-
+
1389000138874 = 2171193153122367
BaseRepresentation
bin10100001101100110110…
…111000010000001111010
311220210020210210221201221
4110031212313002001322
5140224133013420444
62542033045302254
7202231501243045
oct24154667020172
94823223727657
101389000138874
11496087404877
121a524540498a
13a0c9ca2a7ca
144b329773c5c
15261e75eba84
hex14366dc207a

1389000138874 has 32 divisors (see below), whose sum is σ = 2209449125376. Its totient is φ = 652643458560.

The previous prime is 1389000138871. The next prime is 1389000138887. The reversal of 1389000138874 is 4788310009831.

It is not an unprimeable number, because it can be changed into a prime (1389000138871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62089239 + ... + 62111605.

It is an arithmetic number, because the mean of its divisors is an integer number (69045285168).

Almost surely, 21389000138874 is an apocalyptic number.

1389000138874 is a deficient number, since it is larger than the sum of its proper divisors (820448986502).

1389000138874 is a wasteful number, since it uses less digits than its factorization.

1389000138874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25110.

The product of its (nonzero) digits is 1161216, while the sum is 52.

The spelling of 1389000138874 in words is "one trillion, three hundred eighty-nine billion, one hundred thirty-eight thousand, eight hundred seventy-four".

Divisors: 1 2 17 34 1193 1531 2386 3062 20281 22367 26027 40562 44734 52054 380239 760478 1826483 3652966 26683831 31050211 34243877 53367662 62100422 68487754 453625127 582145909 907250254 1164291818 40852945261 81705890522 694500069437 1389000138874