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68608100920425 = 352116710112289247
BaseRepresentation
bin11111001100110000100010…
…11110111110110001101001
322222220212111111221101000120
433212120101132332301221
532443033342313423200
6401530043151353453
720310525461460543
oct1746302136766151
9288825444841016
1068608100920425
111a9515943a62a0
127840862222889
132c38940519691
1412d29150b4693
157de9c2b689a0
hex3e66117bec69

68608100920425 has 96 divisors (see below), whose sum is σ = 126834477502464. Its totient is φ = 32443609440000.

The previous prime is 68608100920423. The next prime is 68608100920439. The reversal of 68608100920425 is 52402900180686.

It is a happy number.

It is not a de Polignac number, because 68608100920425 - 21 = 68608100920423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68608100920421) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 561849 + ... + 11727398.

It is an arithmetic number, because the mean of its divisors is an integer number (1321192473984).

Almost surely, 268608100920425 is an apocalyptic number.

It is an amenable number.

68608100920425 is a deficient number, since it is larger than the sum of its proper divisors (58226376582039).

68608100920425 is a wasteful number, since it uses less digits than its factorization.

68608100920425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12289439 (or 12289434 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 68608100920425 in words is "sixty-eight trillion, six hundred eight billion, one hundred million, nine hundred twenty thousand, four hundred twenty-five".

Divisors: 1 3 5 11 15 25 33 55 67 75 101 165 201 275 303 335 505 737 825 1005 1111 1515 1675 2211 2525 3333 3685 5025 5555 6767 7575 11055 16665 18425 20301 27775 33835 55275 74437 83325 101505 169175 223311 372185 507525 1116555 1860925 5582775 12289247 36867741 61446235 135181717 184338705 307231175 405545151 675908585 823379549 921693525 1241213947 2027725755 2470138647 3379542925 3723641841 4116897745 6206069735 9057175039 10138628775 12350693235 13653353417 18618209205 20584488725 27171525117 31030348675 40960060251 45285875195 61753466175 68266767085 83161334449 93091046025 135857625585 204800301255 226429375975 249484003347 341333835425 415806672245 679288127925 914774678939 1024001506275 1247420016735 2079033361225 2744324036817 4573873394695 6237100083675 13721620184085 22869366973475 68608100920425