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32420444212 = 22132611097213
BaseRepresentation
bin11110001100011010…
…001011100000110100
310002200102210012122001
4132030122023200310
51012344113203322
622521014345044
72225260141342
oct361432134064
9102612705561
1032420444212
111282754a652
12634965b184
13309898b400
1417d7aaa992
15c9b38c827
hex78c68b834

32420444212 has 72 divisors (see below), whose sum is σ = 63024533880. Its totient is φ = 14580933120.

The previous prime is 32420444153. The next prime is 32420444227. The reversal of 32420444212 is 21244402423.

It can be written as a sum of positive squares in 12 ways, for example, as 16844405796 + 15576038416 = 129786^2 + 124804^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4491118 + ... + 4498330.

Almost surely, 232420444212 is an apocalyptic number.

It is an amenable number.

32420444212 is a deficient number, since it is larger than the sum of its proper divisors (30604089668).

32420444212 is a wasteful number, since it uses less digits than its factorization.

32420444212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7413 (or 7398 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 32420444212 its reverse (21244402423), we get a palindrome (53664846635).

The spelling of 32420444212 in words is "thirty-two billion, four hundred twenty million, four hundred forty-four thousand, two hundred twelve".

Divisors: 1 2 4 13 26 52 61 109 122 169 218 244 338 436 676 793 1417 1586 2834 3172 5668 6649 7213 10309 13298 14426 18421 20618 26596 28852 36842 41236 73684 86437 93769 172874 187538 345748 375076 439993 786217 879986 1123681 1218997 1572434 1759972 2247362 2437994 3144868 4494724 4875988 5719909 10220821 11439818 20441642 22879636 40883284 47959237 74358817 95918474 132870673 148717634 191836948 265741346 297435268 531482692 623470081 1246940162 2493880324 8105111053 16210222106 32420444212