Search a number
-
+
11111101000012 = 22131381154724851
BaseRepresentation
bin1010000110110000000100…
…1110100110100101001100
31110100012200201210020202201
42201230001032212211030
52424021013324000022
635344211435331244
72224515304123336
oct241540116464514
943305621706681
1011111101000012
1135a4211937692
1212b54a52b0b24
13627a06a61b50
142a5acca78456
1514405a284127
hexa1b013a694c

11111101000012 has 24 divisors (see below), whose sum is σ = 20955315055472. Its totient is φ = 5124487032000.

The previous prime is 11111101000003. The next prime is 11111101000049. The reversal of 11111101000012 is 21000010111111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77290614 + ... + 77434237.

Almost surely, 211111101000012 is an apocalyptic number.

It is an amenable number.

11111101000012 is a deficient number, since it is larger than the sum of its proper divisors (9844214055460).

11111101000012 is a wasteful number, since it uses less digits than its factorization.

11111101000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154726249 (or 154726247 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 11111101000012 its reverse (21000010111111), we get a palindrome (32111111111123).

The spelling of 11111101000012 in words is "eleven trillion, one hundred eleven billion, one hundred one million, twelve", and thus it is an aban number.

Divisors: 1 2 4 13 26 52 1381 2762 5524 17953 35906 71812 154724851 309449702 618899404 2011423063 4022846126 8045692252 213675019231 427350038462 854700076924 2777775250003 5555550500006 11111101000012