Search a number
-
+
12162461211652 = 2211992125355153
BaseRepresentation
bin1011000011111100101100…
…1011100001110000000100
31121001201102211111202110111
42300333023023201300010
53043232210032233102
641511205121402404
72363465061353623
oct260771313416004
947051384452414
1012162461211652
11396a086308784
1214451bb799404
136a2bb882775b
143009483276ba
151615909c5cd7
hexb0fcb2e1c04

12162461211652 has 12 divisors (see below), whose sum is σ = 21284485445916. Its totient is φ = 6081179655680.

The previous prime is 12162461211619. The next prime is 12162461211679. The reversal of 12162461211652 is 25611216426121.

It can be written as a sum of positive squares in 2 ways, for example, as 8019510351876 + 4142950859776 = 2831874^2 + 2035424^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12197893 + ... + 13157260.

It is an arithmetic number, because the mean of its divisors is an integer number (1773707120493).

Almost surely, 212162461211652 is an apocalyptic number.

It is an amenable number.

12162461211652 is a deficient number, since it is larger than the sum of its proper divisors (9122024234264).

12162461211652 is a wasteful number, since it uses less digits than its factorization.

12162461211652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25475078 (or 25475076 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

Adding to 12162461211652 its reverse (25611216426121), we get a palindrome (37773677637773).

The spelling of 12162461211652 in words is "twelve trillion, one hundred sixty-two billion, four hundred sixty-one million, two hundred eleven thousand, six hundred fifty-two".

Divisors: 1 2 4 119921 239842 479684 25355153 50710306 101420612 3040615302913 6081230605826 12162461211652