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21303101410 = 258923936069
BaseRepresentation
bin10011110101110000…
…111000011111100010
32000222122112200022221
4103311300320133202
5322112043221120
613441515221254
71352624242243
oct236560703742
960878480287
1021303101410
119042055438
12416644782a
13201665a466
1410613b2cca
1584a3700aa
hex4f5c387e2

21303101410 has 16 divisors (see below), whose sum is σ = 38776433400. Its totient is φ = 8425495936.

The previous prime is 21303101371. The next prime is 21303101437. The reversal of 21303101410 is 1410130312.

It can be written as a sum of positive squares in 4 ways, for example, as 18819175489 + 2483925921 = 137183^2 + 49839^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11967145 + ... + 11968924.

Almost surely, 221303101410 is an apocalyptic number.

21303101410 is a deficient number, since it is larger than the sum of its proper divisors (17473331990).

21303101410 is a wasteful number, since it uses less digits than its factorization.

21303101410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23936165.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21303101410 its reverse (1410130312), we get a palindrome (22713231722).

The spelling of 21303101410 in words is "twenty-one billion, three hundred three million, one hundred one thousand, four hundred ten".

Divisors: 1 2 5 10 89 178 445 890 23936069 47872138 119680345 239360690 2130310141 4260620282 10651550705 21303101410