Search a number
-
+
99999996666666 = 231731239464928463
BaseRepresentation
bin10110101111001100010000…
…010001110110001100101010
3111010001220110201001011210220
4112233030100101312030222
5101101344443121313131
6552403210403150510
730030522065620125
oct2657142021661452
9433056421034726
1099999996666666
112995484013a858
12b270804675436
1343a4c61549965
141a9a0505c53bc
15b86369361e96
hex5af31047632a

99999996666666 has 128 divisors (see below), whose sum is σ = 219565375488000. Its totient is φ = 30225933588480.

The previous prime is 99999996666629. The next prime is 99999996666677. The reversal of 99999996666666 is 66666669999999.

It is a super-5 number, since 5×999999966666665 (a number of 71 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

99999996666666 is a strobogrammatic number because it is the same when read upside-down.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3513318751 + ... + 3513347213.

It is an arithmetic number, because the mean of its divisors is an integer number (1715354496000).

Almost surely, 299999996666666 is an apocalyptic number.

99999996666666 is an abundant number, since it is smaller than the sum of its proper divisors (119565378821334).

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

99999996666666 is a wasteful number, since it uses less digits than its factorization.

99999996666666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33404.

The product of its digits is 1338925209984, while the sum is 105.

The spelling of 99999996666666 in words is "ninety-nine trillion, nine hundred ninety-nine billion, nine hundred ninety-six million, six hundred sixty-six thousand, six hundred sixty-six".

Divisors: 1 2 3 6 17 31 34 51 62 93 102 186 239 478 527 717 1054 1434 1581 3162 4063 4649 7409 8126 9298 12189 13947 14818 22227 24378 27894 28463 44454 56926 79033 85389 125953 144119 158066 170778 237099 251906 288238 377859 432357 474198 483871 755718 864714 882353 967742 1111111 1451613 1764706 2222222 2450023 2647059 2903226 3333333 4900046 5294118 6666666 6802657 7350069 13605314 14700138 15000001 18888887 20407971 30000002 34444441 37777774 40815942 45000003 56666661 68888882 90000006 103333323 113333322 115645169 132324487 206666646 210882367 231290338 264648974 346935507 396973461 421764734 585555497 632647101 693871014 793946922 1171110994 1265294202 1756666491 2249516279 3513332982 3585000239 4102059097 4499032558 6748548837 7170000478 8204118194 10755000717 12306177291 13497097674 21510001434 24612354582 31625552393 63251104786 69735004649 94876657179 139470009298 189753314358 209205013947 418410027894 537634390681 980392124183 1075268781362 1612903172043 1960784248366 2941176372549 3225806344086 5882352745098 16666666111111 33333332222222 49999998333333 99999996666666