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13343204021 = 77126847493
BaseRepresentation
bin11000110110101000…
…10010001010110101
31021102220120222212112
430123110102022311
5204311330012041
610044011100405
7651441235310
oct143324221265
937386528775
1013343204021
115727988744
122704741705
1313485187c4
14908187977
15531646deb
hex31b5122b5

13343204021 has 8 divisors (see below), whose sum is σ = 15464156544. Its totient is φ = 11275946640.

The previous prime is 13343203927. The next prime is 13343204029. The reversal of 13343204021 is 12040234331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-13343204021 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 (13343204029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13423250 + ... + 13424243.

It is an arithmetic number, because the mean of its divisors is an integer number (1933019568).

Almost surely, 213343204021 is an apocalyptic number.

It is an amenable number.

13343204021 is a deficient number, since it is larger than the sum of its proper divisors (2120952523).

13343204021 is an equidigital number, since it uses as much as digits as its factorization.

13343204021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26847571.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 13343204021 its reverse (12040234331), we get a palindrome (25383438352).

The spelling of 13343204021 in words is "thirteen billion, three hundred forty-three million, two hundred four thousand, twenty-one".

Divisors: 1 7 71 497 26847493 187932451 1906172003 13343204021