Search a number
-
+
13202013012 = 2232985744267
BaseRepresentation
bin11000100101110011…
…01011101101010100
31021002001220202012220
430102321223231110
5204014203404022
610022004542340
7645105154566
oct142271535524
937061822186
1013202013012
115665212861
1226853b19b0
1313251b2326
148d3513336
1552405785c
hex312e6bb54

13202013012 has 48 divisors (see below), whose sum is σ = 31904832960. Its totient is φ = 4243869952.

The previous prime is 13202013007. The next prime is 13202013049. The reversal of 13202013012 is 21031020231.

It is a junction number, because it is equal to n+sod(n) for n = 13202012982 and 13202013000.

It is a congruent number.

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, 276103 + ... + 320369.

It is an arithmetic number, because the mean of its divisors is an integer number (664684020).

Almost surely, 213202013012 is an apocalyptic number.

13202013012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13202013012 is an abundant number, since it is smaller than the sum of its proper divisors (18702819948).

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

13202013012 is a wasteful number, since it uses less digits than its factorization.

13202013012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45160 (or 45158 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 13202013012 its reverse (21031020231), we get a palindrome (34233033243).

The spelling of 13202013012 in words is "thirteen billion, two hundred two million, thirteen thousand, twelve".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 857 1714 2571 3428 5142 10284 24853 44267 49706 74559 88534 99412 132801 149118 177068 265602 298236 531204 1283743 2567486 3851229 5134972 7702458 15404916 37936819 75873638 113810457 151747276 227620914 455241828 1100167751 2200335502 3300503253 4400671004 6601006506 13202013012