Search a number
-
+
13203122131200 = 283521936192769
BaseRepresentation
bin1100000000100001011101…
…1001111001000100000000
31201202012120021121220121210
43000020113121321010000
53212304443231144300
644025233000450120
72531615450256621
oct300102731710400
951665507556553
1013203122131200
11423045a269311
121592a2aa79940
1374a083a80ab1
1433906aa21a48
1517d69bc77050
hexc0217679100

13203122131200 has 216 divisors, whose sum is σ = 45866373565600. Its totient is φ = 3335525498880.

The previous prime is 13203122131127. The next prime is 13203122131237. The reversal of 13203122131200 is 213122130231.

It is a super-2 number, since 2×132031221312002 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17731585 + ... + 18461184.

Almost surely, 213203122131200 is an apocalyptic number.

13203122131200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13203122131200 is an abundant number, since it is smaller than the sum of its proper divisors (32663251434400).

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

13203122131200 is a wasteful number, since it uses less digits than its factorization.

13203122131200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36192817 (or 36192798 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13203122131200 its reverse (213122130231), we get a palindrome (13416244261431).

The spelling of 13203122131200 in words is "thirteen trillion, two hundred three billion, one hundred twenty-two million, one hundred thirty-one thousand, two hundred".