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10001331306 = 23574327697
BaseRepresentation
bin10010101000010000…
…00011010001101010
3221211000021021100000
421110020003101222
5130440320100211
64332231123430
7502561625211
oct112410032152
927730237300
1010001331306
11427254426a
121b31513576
13c35065425
146ac3cc078
153d8072656
hex25420346a

10001331306 has 48 divisors (see below), whose sum is σ = 22503184704. Its totient is φ = 3329169984.

The previous prime is 10001331289. The next prime is 10001331313. The reversal of 10001331306 is 60313310001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 347250 + ... + 374946.

It is an arithmetic number, because the mean of its divisors is an integer number (468816348).

Almost surely, 210001331306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10001331306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11251592352).

10001331306 is an abundant number, since it is smaller than the sum of its proper divisors (12501853398).

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

10001331306 is an equidigital number, since it uses as much as digits as its factorization.

10001331306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28457 (or 28445 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 10001331306 its reverse (60313310001), we get a palindrome (70314641307).

The spelling of 10001331306 in words is "ten billion, one million, three hundred thirty-one thousand, three hundred six".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 743 1486 2229 4458 6687 13374 20061 27697 40122 55394 60183 83091 120366 166182 180549 249273 361098 498546 747819 1495638 2243457 4486914 6730371 13460742 20578871 41157742 61736613 123473226 185209839 370419678 555629517 1111259034 1666888551 3333777102 5000665653 10001331306