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13321124101 = 32174140853
BaseRepresentation
bin11000110100000000…
…00011100100000101
31021101101001012220201
430122000003210011
5204240201432401
610041501530501
7651052454335
oct143200034405
937341035821
1013321124101
11571647777a
1226b9273a31
131343a8776c
1490527b0c5
1552e734b01
hex31a003905

13321124101 has 4 divisors (see below), whose sum is σ = 13325268172. Its totient is φ = 13316980032.

The previous prime is 13321124099. The next prime is 13321124123. The reversal of 13321124101 is 10142112331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11315427876 + 2005696225 = 106374^2 + 44785^2 .

It is a cyclic number.

It is not a de Polignac number, because 13321124101 - 21 = 13321124099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321124801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2067210 + ... + 2073643.

It is an arithmetic number, because the mean of its divisors is an integer number (3331317043).

Almost surely, 213321124101 is an apocalyptic number.

It is an amenable number.

13321124101 is a deficient number, since it is larger than the sum of its proper divisors (4144071).

13321124101 is an equidigital number, since it uses as much as digits as its factorization.

13321124101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4144070.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 13321124101 its reverse (10142112331), we get a palindrome (23463236432).

The spelling of 13321124101 in words is "thirteen billion, three hundred twenty-one million, one hundred twenty-four thousand, one hundred one".

Divisors: 1 3217 4140853 13321124101