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13201141420 = 2255312453907
BaseRepresentation
bin11000100101101100…
…10110111010101100
31021002000021110121201
430102312112322230
5204013443011140
610021534135244
7645064564525
oct142266267254
937060243551
1013201141420
115664777a35
122685051524
131324c686ac
148d336784c
15523e3449a
hex312d96eac

13201141420 has 24 divisors (see below), whose sum is σ = 28245463344. Its totient is φ = 5180824896.

The previous prime is 13201141397. The next prime is 13201141453. The reversal of 13201141420 is 2414110231.

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, 6225894 + ... + 6228013.

It is an arithmetic number, because the mean of its divisors is an integer number (1176894306).

Almost surely, 213201141420 is an apocalyptic number.

13201141420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13201141420 is an abundant number, since it is smaller than the sum of its proper divisors (15044321924).

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

13201141420 is a wasteful number, since it uses less digits than its factorization.

13201141420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12453969 (or 12453967 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 13201141420 its reverse (2414110231), we get a palindrome (15615251651).

The spelling of 13201141420 in words is "thirteen billion, two hundred one million, one hundred forty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 12453907 24907814 49815628 62269535 124539070 249078140 660057071 1320114142 2640228284 3300285355 6600570710 13201141420