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21010301022 = 2353896071223
BaseRepresentation
bin10011100100010011…
…111100000001011110
32000020020120212201010
4103210103330001132
5321012114113042
613352455400050
71342440416634
oct234423740136
960206525633
1021010301022
118a01849147
1240a4383026
131c9aab06a9
141034555354
1582e7d459c
hex4e44fc05e

21010301022 has 64 divisors (see below), whose sum is σ = 43401277440. Its totient is φ = 6777348864.

The previous prime is 21010301021. The next prime is 21010301033. The reversal of 21010301022 is 22010301012.

It is a junction number, because it is equal to n+sod(n) for n = 21010300989 and 21010301007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21010301021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17178703 + ... + 17179925.

It is an arithmetic number, because the mean of its divisors is an integer number (678144960).

Almost surely, 221010301022 is an apocalyptic number.

21010301022 is an abundant number, since it is smaller than the sum of its proper divisors (22390976418).

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

21010301022 is a wasteful number, since it uses less digits than its factorization.

21010301022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1977.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 21010301022 its reverse (22010301012), we get a palindrome (43020602034).

The spelling of 21010301022 in words is "twenty-one billion, ten million, three hundred one thousand, twenty-two".

Divisors: 1 2 3 6 53 89 106 159 178 267 318 534 607 1214 1223 1821 2446 3642 3669 4717 7338 9434 14151 28302 32171 54023 64342 64819 96513 108046 108847 129638 162069 193026 194457 217694 324138 326541 388914 653082 742361 1484722 2227083 2863219 4454166 5726438 5768891 8589657 11537782 17179314 17306673 34613346 39345133 66070129 78690266 118035399 132140258 198210387 236070798 396420774 3501716837 7003433674 10505150511 21010301022