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68368833886386 = 23119532849338149
BaseRepresentation
bin11111000101110010111000…
…00011101011100010110010
322222001222220120210200022010
433202321130003223202302
532430123332433331021
6401224113024423350
720254325303314665
oct1742713403534262
9288058816720263
1068368833886386
111a86a0723a2250
127802408177b56
132c1c1cbc5a327
1412c50d7d016dc
157d866c242976
hex3e2e5c0eb8b2

68368833886386 has 64 divisors (see below), whose sum is σ = 149334045033600. Its totient is φ = 20694820016640.

The previous prime is 68368833886321. The next prime is 68368833886393.

68368833886386 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×683688338863862 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68368833886299 and 68368833886308.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1792133640 + ... + 1792171788.

It is an arithmetic number, because the mean of its divisors is an integer number (2333344453650).

Almost surely, 268368833886386 is an apocalyptic number.

68368833886386 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

68368833886386 is an abundant number, since it is smaller than the sum of its proper divisors (80965211147214).

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

68368833886386 is a wasteful number, since it uses less digits than its factorization.

68368833886386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67611.

The product of its digits is 27518828544, while the sum is 84.

The spelling of 68368833886386 in words is "sixty-eight trillion, three hundred sixty-eight billion, eight hundred thirty-three million, eight hundred eighty-six thousand, three hundred eighty-six".

Divisors: 1 2 3 6 11 22 33 66 953 1906 2859 5718 10483 20966 28493 31449 38149 56986 62898 76298 85479 114447 170958 228894 313423 419639 626846 839278 940269 1258917 1880538 2517834 27153829 36355997 54307658 72711994 81461487 109067991 162922974 218135982 298692119 399915967 597384238 799831934 896076357 1086979457 1199747901 1792152714 2173958914 2399495802 3260938371 6521876742 11956774027 23913548054 35870322081 71740644162 1035891422521 2071782845042 3107674267563 6215348535126 11394805647731 22789611295462 34184416943193 68368833886386