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21300211302 = 231715111711181
BaseRepresentation
bin10011110101100101…
…110110111001100110
32000222110002211211220
4103311211312321212
5322110323230202
613441333241210
71352560544256
oct236545667146
960873084756
1021300211302
119040461017
124165493206
132015b87b36
141060c5d966
15849e9dabc
hex4f5976e66

21300211302 has 64 divisors (see below), whose sum is σ = 45482300928. Its totient is φ = 6626880000.

The previous prime is 21300211271. The next prime is 21300211397. The reversal of 21300211302 is 20311200312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18035152 + ... + 18036332.

It is an arithmetic number, because the mean of its divisors is an integer number (710660952).

Almost surely, 221300211302 is an apocalyptic number.

21300211302 is an abundant number, since it is smaller than the sum of its proper divisors (24182089626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21300211302 is a wasteful number, since it uses less digits than its factorization.

21300211302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21300211302 its reverse (20311200312), we get a palindrome (41611411614).

The spelling of 21300211302 in words is "twenty-one billion, three hundred million, two hundred eleven thousand, three hundred two".

Divisors: 1 2 3 6 17 34 51 102 151 302 453 906 1171 1181 2342 2362 2567 3513 3543 5134 7026 7086 7701 15402 19907 20077 39814 40154 59721 60231 119442 120462 176821 178331 353642 356662 530463 534993 1060926 1069986 1382951 2765902 3005957 3031627 4148853 6011914 6063254 8297706 9017871 9094881 18035742 18189762 23510167 47020334 70530501 141061002 208825601 417651202 626476803 1252953606 3550035217 7100070434 10650105651 21300211302