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21030210201022 = 2117915777071567
BaseRepresentation
bin1001100100000011110100…
…01101010110010110111110
32202110110122111201011002221
410302001322031112112332
510224024332302413042
6112421051210035554
74300245133161511
oct462017215262676
982413574634087
1021030210201022
116778953447110
122437966a18bba
13b971a9360b69
14529c209c8d78
1526709d8e7d67
hex13207a3565be

21030210201022 has 32 divisors (see below), whose sum is σ = 35070646302720. Its totient is φ = 9378068150880.

The previous prime is 21030210200977. The next prime is 21030210201071. The reversal of 21030210201022 is 22010201203012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21030210200987 and 21030210201005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38262918 + ... + 38808649.

It is an arithmetic number, because the mean of its divisors is an integer number (1095957696960).

Almost surely, 221030210201022 is an apocalyptic number.

21030210201022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21030210201022 is a deficient number, since it is larger than the sum of its proper divisors (14040436101698).

21030210201022 is a wasteful number, since it uses less digits than its factorization.

21030210201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77071816.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 21030210201022 its reverse (22010201203012), we get a palindrome (43040411404034).

The spelling of 21030210201022 in words is "twenty-one trillion, thirty billion, two hundred ten million, two hundred one thousand, twenty-two".

Divisors: 1 2 11 22 79 157 158 314 869 1727 1738 3454 12403 24806 136433 272866 77071567 154143134 847787237 1695574474 6088653793 12100236019 12177307586 24200472038 66975191723 133102596209 133950383446 266205192418 955918645501 1911837291002 10515105100511 21030210201022