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13211241032021 = 172377243170579
BaseRepresentation
bin1100000000111111101101…
…0101000010100101010101
31201202222112002202210210012
43000033323111002211111
53212423110201011041
644033054345010005
72532323603632454
oct300177325024525
951688462683705
1013211241032021
1142339461676aa
121594515a83905
1374aa78b24716
143395daddab9b
1517d9c490c3eb
hexc03fb542955

13211241032021 has 24 divisors (see below), whose sum is σ = 14415460612320. Its totient is φ = 12096310977792.

The previous prime is 13211241032009. The next prime is 13211241032039. The reversal of 13211241032021 is 12023014211231.

It is not a de Polignac number, because 13211241032021 - 222 = 13211236837717 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 (13211241032051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77364110 + ... + 77534688.

It is an arithmetic number, because the mean of its divisors is an integer number (600644192180).

Almost surely, 213211241032021 is an apocalyptic number.

It is an amenable number.

13211241032021 is a deficient number, since it is larger than the sum of its proper divisors (1204219580299).

13211241032021 is a wasteful number, since it uses less digits than its factorization.

13211241032021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177893 (or 177876 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 13211241032021 its reverse (12023014211231), we get a palindrome (25234255243252).

The spelling of 13211241032021 in words is "thirteen trillion, two hundred eleven billion, two hundred forty-one million, thirty-two thousand, twenty-one".

Divisors: 1 17 37 289 629 7243 10693 123131 170579 267991 2093227 2899843 4555847 6311423 49297331 77449399 107294191 1235503697 1824001247 21003562849 45713636789 357060568433 777131825413 13211241032021