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21312032132110 = 25191051310669513
BaseRepresentation
bin1001101100010000110000…
…00110101100110000001110
32210110102002011101121012111
410312020120012230300032
510243134020211211420
6113154340140054234
74326513011105536
oct466103006546016
983412064347174
1021312032132110
116877422598165
1224824b853437a
13bb79400b3275
145397177ca4c6
1526e59527745a
hex1362181acc0e

21312032132110 has 32 divisors (see below), whose sum is σ = 40384537270560. Its totient is φ = 8075369530368.

The previous prime is 21312032132107. The next prime is 21312032132147. The reversal of 21312032132110 is 1123123021312.

It is a super-2 number, since 2×213120321321102 (a number of 27 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 15 ways as a sum of consecutive naturals, for example, 3337287 + ... + 7332226.

It is an arithmetic number, because the mean of its divisors is an integer number (1262016789705).

Almost surely, 221312032132110 is an apocalyptic number.

21312032132110 is a deficient number, since it is larger than the sum of its proper divisors (19072505138450).

21312032132110 is a wasteful number, since it uses less digits than its factorization.

21312032132110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10680052.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 21312032132110 its reverse (1123123021312), we get a palindrome (22435155153422).

The spelling of 21312032132110 in words is "twenty-one trillion, three hundred twelve billion, thirty-two million, one hundred thirty-two thousand, one hundred ten".

Divisors: 1 2 5 10 19 38 95 190 10513 21026 52565 105130 199747 399494 998735 1997470 10669513 21339026 53347565 106695130 202720747 405441494 1013603735 2027207470 112168590169 224337180338 560842950845 1121685901690 2131203213211 4262406426422 10656016066055 21312032132110