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21023223311033 = 473779118365341
BaseRepresentation
bin1001100011110110110011…
…10000011110101010111001
32202102210121120122100212122
410301323121300132222321
510223421030131423113
6112413534020451025
74266610033454036
oct461733160365271
982383546570778
1021023223311033
116775998537269
122436536b49a75
13b96634998228
1452975aac238d
15266ce031d408
hex131ed9c1eab9

21023223311033 has 8 divisors (see below), whose sum is σ = 21476207652480. Its totient is φ = 20570475707920.

The previous prime is 21023223311009. The next prime is 21023223311063. The reversal of 21023223311033 is 33011332232012.

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 21023223311033 - 28 = 21023223310777 is a prime.

It is a super-2 number, since 2×210232233110332 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21023223310993 and 21023223311011.

It is not an unprimeable number, because it can be changed into a prime (21023223311063) 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, 59005058 + ... + 59360283.

It is an arithmetic number, because the mean of its divisors is an integer number (2684525956560).

Almost surely, 221023223311033 is an apocalyptic number.

It is an amenable number.

21023223311033 is a deficient number, since it is larger than the sum of its proper divisors (452984341447).

21023223311033 is a wasteful number, since it uses less digits than its factorization.

21023223311033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118369167.

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

Adding to 21023223311033 its reverse (33011332232012), we get a palindrome (54034555543045).

The spelling of 21023223311033 in words is "twenty-one trillion, twenty-three billion, two hundred twenty-three million, three hundred eleven thousand, thirty-three".

Divisors: 1 47 3779 177613 118365341 5563171027 447302623639 21023223311033