Search a number
-
+
138763957582 = 2373401463867
BaseRepresentation
bin1000000100111011111…
…0011111010101001110
3111021011200212102022101
42001032332133111032
54233142033120312
6143425225105314
713011462115045
oct2011676372516
9437150772271
10138763957582
1153938700188
1222a8792823a
131011578b453
146a053d955c
153922466a57
hex204ef9f54e

138763957582 has 16 divisors (see below), whose sum is σ = 209224878192. Its totient is φ = 69023260800.

The previous prime is 138763957561. The next prime is 138763957589. The reversal of 138763957582 is 285759367831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138763957589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67213 + ... + 531079.

It is an arithmetic number, because the mean of its divisors is an integer number (13076554887).

Almost surely, 2138763957582 is an apocalyptic number.

138763957582 is a deficient number, since it is larger than the sum of its proper divisors (70460920610).

138763957582 is a wasteful number, since it uses less digits than its factorization.

138763957582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464643.

The product of its digits is 76204800, while the sum is 64.

The spelling of 138763957582 in words is "one hundred thirty-eight billion, seven hundred sixty-three million, nine hundred fifty-seven thousand, five hundred eighty-two".

Divisors: 1 2 373 401 746 802 149573 299146 463867 927734 173022391 186010667 346044782 372021334 69381978791 138763957582