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21332024001 = 3587786107
BaseRepresentation
bin10011110111011111…
…001101101011000001
32001001122222002200000
4103313133031223001
5322141444232001
613444431150213
71353425132541
oct236737155301
961048862600
1021332024001
11905740a402
124174075369
13201c645c12
141065181321
1584cb84a86
hex4f77cdac1

21332024001 has 12 divisors (see below), whose sum is σ = 31954143312. Its totient is φ = 14221349172.

The previous prime is 21332023991. The next prime is 21332024003. The reversal of 21332024001 is 10042023312.

It is not a de Polignac number, because 21332024001 - 27 = 21332023873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21332024003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43892811 + ... + 43893296.

It is an arithmetic number, because the mean of its divisors is an integer number (2662845276).

Almost surely, 221332024001 is an apocalyptic number.

It is an amenable number.

21332024001 is a deficient number, since it is larger than the sum of its proper divisors (10622119311).

21332024001 is an frugal number, since it uses more digits than its factorization.

21332024001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87786122 (or 87786110 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 21332024001 its reverse (10042023312), we get a palindrome (31374047313).

The spelling of 21332024001 in words is "twenty-one billion, three hundred thirty-two million, twenty-four thousand, one".

Divisors: 1 3 9 27 81 243 87786107 263358321 790074963 2370224889 7110674667 21332024001