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10018668 = 22311711069
BaseRepresentation
bin100110001101…
…111101101100
3200212000000210
4212031331230
510031044133
6554422420
7151104642
oct46157554
920760023
1010018668
1157231a0
123431a10
1320ca20a
14148b192
15d2d763
hex98df6c

10018668 has 48 divisors (see below), whose sum is σ = 25885440. Its totient is φ = 2990400.

The previous prime is 10018667. The next prime is 10018669. The reversal of 10018668 is 86681001.

It is an interprime number because it is at equal distance from previous prime (10018667) and next prime (10018669).

It is not an unprimeable number, because it can be changed into a prime (10018667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8838 + ... + 9906.

It is an arithmetic number, because the mean of its divisors is an integer number (539280).

Almost surely, 210018668 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 10018668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12942720).

10018668 is an abundant number, since it is smaller than the sum of its proper divisors (15866772).

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

10018668 is a wasteful number, since it uses less digits than its factorization.

10018668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158 (or 1156 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 10018668 is about 3165.2279538763. The cubic root of 10018668 is about 215.5774489558.

Adding to 10018668 its reverse (86681001), we get a palindrome (96699669).

It can be divided in two parts, 1001 and 8668, that added together give a palindrome (9669).

The spelling of 10018668 in words is "ten million, eighteen thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 71 132 142 213 284 426 781 852 1069 1562 2138 2343 3124 3207 4276 4686 6414 9372 11759 12828 23518 35277 47036 70554 75899 141108 151798 227697 303596 455394 834889 910788 1669778 2504667 3339556 5009334 10018668