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21301130302 = 226939593179
BaseRepresentation
bin10011110101101001…
…010111010000111110
32000222111211112110221
4103311221113100332
5322111042132202
613441405051554
71352601422464
oct236551272076
960874745427
1021301130302
119040a29521
124165856bba
13201611a21a
14106101c834
1584a0d1037
hex4f5a5743e

21301130302 has 8 divisors (see below), whose sum is σ = 32070475800. Its totient is φ = 10610971704.

The previous prime is 21301130297. The next prime is 21301130317. The reversal of 21301130302 is 20303110312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×213011303022 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19796052 + ... + 19797127.

It is an arithmetic number, because the mean of its divisors is an integer number (4008809475).

Almost surely, 221301130302 is an apocalyptic number.

21301130302 is a deficient number, since it is larger than the sum of its proper divisors (10769345498).

21301130302 is a wasteful number, since it uses less digits than its factorization.

21301130302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39593450.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 21301130302 its reverse (20303110312), we get a palindrome (41604240614).

The spelling of 21301130302 in words is "twenty-one billion, three hundred one million, one hundred thirty thousand, three hundred two".

Divisors: 1 2 269 538 39593179 79186358 10650565151 21301130302