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13241211420 = 2235220686857
BaseRepresentation
bin11000101010011110…
…01101101000011100
31021011210200020022210
430111033031220130
5204104222231140
610025525040420
7646062303633
oct142517155034
937153606283
1013241211420
115685356138
122696556110
131330358058
148d87d851a
155276ebd80
hex3153cda1c

13241211420 has 24 divisors (see below), whose sum is σ = 37075392144. Its totient is φ = 3530989696.

The previous prime is 13241211419. The next prime is 13241211421. The reversal of 13241211420 is 2411214231.

13241211420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13241211419) and next prime (13241211421).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13241211421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110343369 + ... + 110343488.

It is an arithmetic number, because the mean of its divisors is an integer number (1544808006).

Almost surely, 213241211420 is an apocalyptic number.

13241211420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13241211420 is an abundant number, since it is smaller than the sum of its proper divisors (23834180724).

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

13241211420 is a wasteful number, since it uses less digits than its factorization.

13241211420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220686869 (or 220686867 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 13241211420 its reverse (2411214231), we get a palindrome (15652425651).

The spelling of 13241211420 in words is "thirteen billion, two hundred forty-one million, two hundred eleven thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 220686857 441373714 662060571 882747428 1103434285 1324121142 2206868570 2648242284 3310302855 4413737140 6620605710 13241211420