Search a number
-
+
12949423673586 = 2387717211429943
BaseRepresentation
bin1011110001110000010111…
…0011000101000011110010
31200211221201121012221102220
42330130011303011003302
53144130404430023321
643312514430221510
72504364535045611
oct274340563050362
950757647187386
1012949423673586
114142902089124
121551827954896
1372c1826bb35a
1432aa80d51878
15176c9e3ed9c6
hexbc705cc50f2

12949423673586 has 32 divisors (see below), whose sum is σ = 25943462552448. Its totient is φ = 4309044420480.

The previous prime is 12949423673531. The next prime is 12949423673591. The reversal of 12949423673586 is 68537632494921.

It is a self number, because there is not a number n which added to its sum of digits gives 12949423673586.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8340931 + ... + 9770873.

It is an arithmetic number, because the mean of its divisors is an integer number (810733204764).

Almost surely, 212949423673586 is an apocalyptic number.

12949423673586 is an abundant number, since it is smaller than the sum of its proper divisors (12994038878862).

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

12949423673586 is a wasteful number, since it uses less digits than its factorization.

12949423673586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432546.

The product of its digits is 470292480, while the sum is 69.

The spelling of 12949423673586 in words is "twelve trillion, nine hundred forty-nine billion, four hundred twenty-three million, six hundred seventy-three thousand, five hundred eighty-six".

Divisors: 1 2 3 6 877 1721 1754 2631 3442 5163 5262 10326 1429943 1509317 2859886 3018634 4289829 4527951 8579658 9055902 1254060011 2460931903 2508120022 3762180033 4921863806 7382795709 7524360066 14765591418 2158237278931 4316474557862 6474711836793 12949423673586