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21321323302301 = 115633442810157
BaseRepresentation
bin1001101100100010000011…
…11001101100110110011101
32210111022001200100221121222
410312101001321230312131
510243312032231133201
6113202514122103125
74330262160542351
oct466210171546635
983438050327558
1021321323302301
116880360181910
12248427004aaa5
13bb8790c8c2c9
14539d59757461
1526e93acbb91b
hex136441e6cd9d

21321323302301 has 8 divisors (see below), whose sum is σ = 23300939149344. Its totient is φ = 19348593076720.

The previous prime is 21321323302249. The next prime is 21321323302319. The reversal of 21321323302301 is 10320332312312.

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

It is a cyclic number.

It is not a de Polignac number, because 21321323302301 - 222 = 21321319107997 is a prime.

It is a super-2 number, since 2×213213233023012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21321323307301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1721398886 + ... + 1721411271.

It is an arithmetic number, because the mean of its divisors is an integer number (2912617393668).

Almost surely, 221321323302301 is an apocalyptic number.

It is an amenable number.

21321323302301 is a deficient number, since it is larger than the sum of its proper divisors (1979615847043).

21321323302301 is a wasteful number, since it uses less digits than its factorization.

21321323302301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3442810731.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 21321323302301 its reverse (10320332312312), we get a palindrome (31641655614613).

The spelling of 21321323302301 in words is "twenty-one trillion, three hundred twenty-one billion, three hundred twenty-three million, three hundred two thousand, three hundred one".

Divisors: 1 11 563 6193 3442810157 37870911727 1938302118391 21321323302301