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21103024212030 = 23529228710606187
BaseRepresentation
bin1001100110001011011100…
…10000110000100000111110
32202201102121001010011101110
410303011232100300200332
510231222443144241110
6112514332343022450
74305433420103055
oct463055620604076
982642531104343
1021103024212030
1167a6819016312
122449aa813aa26
13ba101179cb87
1452d56b23139c
15268e110aea20
hex13316e43083e

21103024212030 has 64 divisors (see below), whose sum is σ = 52416629591040. Its totient is φ = 5431046027904.

The previous prime is 21103024212029. The next prime is 21103024212031. The reversal of 21103024212030 is 3021242030112.

It is an interprime number because it is at equal distance from previous prime (21103024212029) and next prime (21103024212031).

It is a junction number, because it is equal to n+sod(n) for n = 21103024211988 and 21103024212006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21103024212031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3313404 + ... + 7292783.

It is an arithmetic number, because the mean of its divisors is an integer number (819009837360).

Almost surely, 221103024212030 is an apocalyptic number.

21103024212030 is an abundant number, since it is smaller than the sum of its proper divisors (31313605379010).

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

21103024212030 is a wasteful number, since it uses less digits than its factorization.

21103024212030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10608513.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21103024212030 its reverse (3021242030112), we get a palindrome (24124266242142).

The spelling of 21103024212030 in words is "twenty-one trillion, one hundred three billion, twenty-four million, two hundred twelve thousand, thirty".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 145 174 290 435 870 2287 4574 6861 11435 13722 22870 34305 66323 68610 132646 198969 331615 397938 663230 994845 1989690 10606187 21212374 31818561 53030935 63637122 106061870 159092805 307579423 318185610 615158846 922738269 1537897115 1845476538 3075794230 4613691345 9227382690 24256349669 48512699338 72769049007 121281748345 145538098014 242563496690 363845245035 703434140401 727690490070 1406868280802 2110302421203 3517170702005 4220604842406 7034341404010 10551512106015 21103024212030