Search a number
-
+
11311313012 = 227879358907
BaseRepresentation
bin10101000100011010…
…01111000001110100
31002012022020020101222
422202031033001310
5141131144004022
65110224405512
7550206400646
oct124215170164
932168206358
1011311313012
114884a3997a
122238176898
1310b358682c
1479438a896
15463085242
hex2a234f074

11311313012 has 12 divisors (see below), whose sum is σ = 19797365280. Its totient is φ = 5654922936.

The previous prime is 11311312979. The next prime is 11311313029. The reversal of 11311313012 is 21031311311.

It is a congruent number.

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, 147938 + ... + 210969.

It is an arithmetic number, because the mean of its divisors is an integer number (1649780440).

Almost surely, 211311313012 is an apocalyptic number.

It is an amenable number.

11311313012 is a deficient number, since it is larger than the sum of its proper divisors (8486052268).

11311313012 is a wasteful number, since it uses less digits than its factorization.

11311313012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366790 (or 366788 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11311313012 its reverse (21031311311), we get a palindrome (32342624323).

The spelling of 11311313012 in words is "eleven billion, three hundred eleven million, three hundred thirteen thousand, twelve".

Divisors: 1 2 4 7879 15758 31516 358907 717814 1435628 2827828253 5655656506 11311313012