Search a number
-
+
13431120132430 = 257112131015912007
BaseRepresentation
bin1100001101110010110100…
…1001001111100101001110
31202120000001212002102110201
43003130231021033211032
53230023413223214210
644322101005124114
72554236451304440
oct303345511174516
952500055072421
1013431120132430
114309119191200
12160b05ab5963a
1376571a76acb0
143460d92d2490
151845931ba53a
hexc372d24f94e

13431120132430 has 192 divisors, whose sum is σ = 32711959203840. Its totient is φ = 3863596112640.

The previous prime is 13431120132317. The next prime is 13431120132541. The reversal of 13431120132430 is 3423102113431.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1118601487 + ... + 1118613493.

It is an arithmetic number, because the mean of its divisors is an integer number (170374787520).

Almost surely, 213431120132430 is an apocalyptic number.

13431120132430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13431120132430 is an abundant number, since it is smaller than the sum of its proper divisors (19280839071410).

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

13431120132430 is a wasteful number, since it uses less digits than its factorization.

13431120132430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22215 (or 22204 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 13431120132430 its reverse (3423102113431), we get a palindrome (16854222245861).

The spelling of 13431120132430 in words is "thirteen trillion, four hundred thirty-one billion, one hundred twenty million, one hundred thirty-two thousand, four hundred thirty".