Search a number
-
+
13241244012 = 2234723477383
BaseRepresentation
bin11000101010011110…
…10101100101101100
31021011210201220000220
430111033111211230
5204104224302022
610025525451340
7646062500643
oct142517254554
937153656026
1013241244012
115685378677
122696570b50
131330369b39
148d880635a
1552770685c
hex3153d596c

13241244012 has 24 divisors (see below), whose sum is σ = 31553604096. Its totient is φ = 4319838288.

The previous prime is 13241243989. The next prime is 13241244031. The reversal of 13241244012 is 21044214231.

It is a super-2 number, since 2×132412440122 (a number of 21 digits) contains 22 as substring.

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, 11738128 + ... + 11739255.

It is an arithmetic number, because the mean of its divisors is an integer number (1314733504).

Almost surely, 213241244012 is an apocalyptic number.

13241244012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13241244012 is an abundant number, since it is smaller than the sum of its proper divisors (18312360084).

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

13241244012 is a wasteful number, since it uses less digits than its factorization.

13241244012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23477437 (or 23477435 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 13241244012 its reverse (21044214231), we get a palindrome (34285458243).

The spelling of 13241244012 in words is "thirteen billion, two hundred forty-one million, two hundred forty-four thousand, twelve".

Divisors: 1 2 3 4 6 12 47 94 141 188 282 564 23477383 46954766 70432149 93909532 140864298 281728596 1103437001 2206874002 3310311003 4413748004 6620622006 13241244012