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13142302232021 = 31487883985871
BaseRepresentation
bin1011111100111110111001…
…0000011000110111010101
31201112101120122020220122022
42333033232100120313111
53210310413332411041
643541253523142525
72524333333536404
oct277175620306725
951471518226568
1013142302232021
114207689a99926
121583096514a45
137444104c4481
1433613b30363b
1517bcdc56b24b
hexbf3ee418dd5

13142302232021 has 16 divisors (see below), whose sum is σ = 13609513402368. Its totient is φ = 12677854417200.

The previous prime is 13142302231913. The next prime is 13142302232029. The reversal of 13142302232021 is 12023220324131.

It is a cyclic number.

It is not a de Polignac number, because 13142302232021 - 230 = 13141228490197 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 (13142302232029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12837716 + ... + 13823586.

It is an arithmetic number, because the mean of its divisors is an integer number (850594587648).

Almost surely, 213142302232021 is an apocalyptic number.

It is an amenable number.

13142302232021 is a deficient number, since it is larger than the sum of its proper divisors (467211170347).

13142302232021 is an equidigital number, since it uses as much as digits as its factorization.

13142302232021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987272.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 13142302232021 its reverse (12023220324131), we get a palindrome (25165522556152).

The spelling of 13142302232021 in words is "thirteen trillion, one hundred forty-two billion, three hundred two million, two hundred thirty-two thousand, twenty-one".

Divisors: 1 31 487 883 15097 27373 430021 985871 13330651 30562001 480119177 870524093 14883694487 26986246883 423945233291 13142302232021