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13131201411420 = 2235218853356857
BaseRepresentation
bin1011111100010101100010…
…0110000111100101011100
31201111022221000002210112120
42333011120212013211130
53210120200030131140
643532220214102540
72523461261243061
oct277053046074534
951438830083476
1013131201411420
114202a0295a024
121580ab894aa50
13743361729981
143357a6caac68
1517b88cc141d0
hexbf15898795c

13131201411420 has 24 divisors (see below), whose sum is σ = 36767363952144. Its totient is φ = 3501653709696.

The previous prime is 13131201411409. The next prime is 13131201411457. The reversal of 13131201411420 is 2411410213131.

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 7 ways as a sum of consecutive naturals, for example, 109426678369 + ... + 109426678488.

It is an arithmetic number, because the mean of its divisors is an integer number (1531973498006).

Almost surely, 213131201411420 is an apocalyptic number.

13131201411420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13131201411420 is an abundant number, since it is smaller than the sum of its proper divisors (23636162540724).

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

13131201411420 is a wasteful number, since it uses less digits than its factorization.

13131201411420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218853356869 (or 218853356867 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 13131201411420 its reverse (2411410213131), we get a palindrome (15542611624551).

The spelling of 13131201411420 in words is "thirteen trillion, one hundred thirty-one billion, two hundred one million, four hundred eleven thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 218853356857 437706713714 656560070571 875413427428 1094266784285 1313120141142 2188533568570 2626240282284 3282800352855 4377067137140 6565600705710 13131201411420