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21323203012301 = 1071492442154767
BaseRepresentation
bin1001101100100101100011…
…11100001110011011001101
32210111110220200101002222212
410312102301330032123031
510243324404432343201
6113203424430520205
74330356564034421
oct466226174163315
983443820332885
1021323203012301
116881135229853
1224846b5666065
13bb8a0053a748
1453a09725cb81
1526e9ead1cabb
hex1364b1f0e6cd

21323203012301 has 16 divisors (see below), whose sum is σ = 21668214355200. Its totient is φ = 20980907175360.

The previous prime is 21323203012271. The next prime is 21323203012303. The reversal of 21323203012301 is 10321030232312.

It is a cyclic number.

It is not a de Polignac number, because 21323203012301 - 214 = 21323202995917 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 (21323203012303) 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, 389316620 + ... + 389371386.

It is an arithmetic number, because the mean of its divisors is an integer number (1354263397200).

Almost surely, 221323203012301 is an apocalyptic number.

It is an amenable number.

21323203012301 is a deficient number, since it is larger than the sum of its proper divisors (345011342899).

21323203012301 is a wasteful number, since it uses less digits than its factorization.

21323203012301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79444.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21323203012301 its reverse (10321030232312), we get a palindrome (31644233244613).

The spelling of 21323203012301 in words is "twenty-one trillion, three hundred twenty-three billion, two hundred three million, twelve thousand, three hundred one".

Divisors: 1 107 149 15943 24421 54767 2613047 3638729 5860069 8160283 389344003 873150281 1337464907 143108745049 199282271143 21323203012301