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21340133442141 = 318787378632981
BaseRepresentation
bin1001101101000101000110…
…00100101100001001011101
32210120002121120222001120220
410312202203010230021131
510244114043130122031
6113215304424431553
74331526254232243
oct466424304541135
983502546861526
1021340133442141
116888332aa0328
122487a3b6185b9
13bba49acb2b77
1453ac219cc793
1527018c351596
hex1368a312c25d

21340133442141 has 8 divisors (see below), whose sum is σ = 28455025863264. Its totient is φ = 14225998324560.

The previous prime is 21340133442107. The next prime is 21340133442149. The reversal of 21340133442141 is 14124433104312.

It is a happy number.

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

It is not a de Polignac number, because 21340133442141 - 210 = 21340133441117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21340133442149) 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, 189260130 + ... + 189372851.

It is an arithmetic number, because the mean of its divisors is an integer number (3556878232908).

Almost surely, 221340133442141 is an apocalyptic number.

It is an amenable number.

21340133442141 is a deficient number, since it is larger than the sum of its proper divisors (7114892421123).

21340133442141 is a wasteful number, since it uses less digits than its factorization.

21340133442141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378651771.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 21340133442141 its reverse (14124433104312), we get a palindrome (35464566546453).

The spelling of 21340133442141 in words is "twenty-one trillion, three hundred forty billion, one hundred thirty-three million, four hundred forty-two thousand, one hundred forty-one".

Divisors: 1 3 18787 56361 378632981 1135898943 7113377814047 21340133442141