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21332201303 = 7219127180419
BaseRepresentation
bin10011110111011111…
…111000111101010111
32001001200022002212202
4103313133320331113
5322142020420203
613444435035115
71353426501500
oct236737707527
961050262782
1021332201303
119057520636
12417413ba9b
13201c6a882a
1410651c9ba7
1584cbbc388
hex4f77f8f57

21332201303 has 24 divisors (see below), whose sum is σ = 26326886400. Its totient is φ = 17185897008.

The previous prime is 21332201287. The next prime is 21332201309. The reversal of 21332201303 is 30310223312.

It is not a de Polignac number, because 21332201303 - 24 = 21332201287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21332201309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28028 + ... + 208446.

It is an arithmetic number, because the mean of its divisors is an integer number (1096953600).

Almost surely, 221332201303 is an apocalyptic number.

21332201303 is a deficient number, since it is larger than the sum of its proper divisors (4994685097).

21332201303 is a wasteful number, since it uses less digits than its factorization.

21332201303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180579 (or 180572 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 21332201303 its reverse (30310223312), we get a palindrome (51642424615).

The spelling of 21332201303 in words is "twenty-one billion, three hundred thirty-two million, two hundred one thousand, three hundred three".

Divisors: 1 7 19 49 127 133 889 931 2413 6223 16891 118237 180419 1262933 3427961 8840531 22913213 23995727 160392491 167970089 435351047 1122747437 3047457329 21332201303