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212971120608 = 2537159352691
BaseRepresentation
bin1100011001011000010…
…0010110011111100000
3202100201022201212212210
43012112010112133200
511442131101324413
6241500530122120
721246423441111
oct3062604263740
9670638655783
10212971120608
1182358711094
1235337720340
131711071bc7c
14a444a90208
1558170be3c3
hex31961167e0

212971120608 has 96 divisors (see below), whose sum is σ = 567889926912. Its totient is φ = 69871155200.

The previous prime is 212971120591. The next prime is 212971120651. The reversal of 212971120608 is 806021179212.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4015543 + ... + 4068233.

It is an arithmetic number, because the mean of its divisors is an integer number (5915520072).

Almost surely, 2212971120608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212971120608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283944963456).

212971120608 is an abundant number, since it is smaller than the sum of its proper divisors (354918806304).

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

212971120608 is a wasteful number, since it uses less digits than its factorization.

212971120608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53368 (or 53360 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 39.

The spelling of 212971120608 in words is "two hundred twelve billion, nine hundred seventy-one million, one hundred twenty thousand, six hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 71 96 142 213 284 426 568 593 852 1136 1186 1704 1779 2272 2372 3408 3558 4744 6816 7116 9488 14232 18976 28464 42103 52691 56928 84206 105382 126309 158073 168412 210764 252618 316146 336824 421528 505236 632292 673648 843056 1010472 1264584 1347296 1686112 2020944 2529168 3741061 4041888 5058336 7482122 11223183 14964244 22446366 29928488 31245763 44892732 59856976 62491526 89785464 93737289 119713952 124983052 179570928 187474578 249966104 359141856 374949156 499932208 749898312 999864416 1499796624 2218449173 2999593248 4436898346 6655347519 8873796692 13310695038 17747593384 26621390076 35495186768 53242780152 70990373536 106485560304 212971120608