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12064031622 = 234233798543
BaseRepresentation
bin10110011110001001…
…01000001110000110
31011010202121022020000
423033010220032012
5144201343002442
65313034022130
7604646401566
oct131704501606
934122538200
1012064031622
115130916575
122408277946
1311a34c3866
14826328da6
154a91bcd4c
hex2cf128386

12064031622 has 80 divisors (see below), whose sum is σ = 28285424640. Its totient is φ = 3835904688.

The previous prime is 12064031587. The next prime is 12064031647. The reversal of 12064031622 is 22613046021.

12064031622 is a `hidden beast` number, since 1 + 2 + 0 + 6 + 4 + 0 + 31 + 622 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1407883 + ... + 1416425.

It is an arithmetic number, because the mean of its divisors is an integer number (353567808).

Almost surely, 212064031622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12064031622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14142712320).

12064031622 is an abundant number, since it is smaller than the sum of its proper divisors (16221393018).

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

12064031622 is a wasteful number, since it uses less digits than its factorization.

12064031622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8959 (or 8950 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 12064031622 its reverse (22613046021), we get a palindrome (34677077643).

The spelling of 12064031622 in words is "twelve billion, sixty-four million, thirty-one thousand, six hundred twenty-two".

Divisors: 1 2 3 6 9 18 23 27 46 54 69 81 138 162 207 379 414 621 758 1137 1242 1863 2274 3411 3726 6822 8543 8717 10233 17086 17434 20466 25629 26151 30699 51258 52302 61398 76887 78453 153774 156906 196489 230661 235359 392978 461322 470718 589467 691983 706077 1178934 1383966 1412154 1768401 3237797 3536802 5305203 6475594 9713391 10610406 15915609 19426782 29140173 31831218 58280346 74469331 87420519 148938662 174841038 223407993 262261557 446815986 524523114 670223979 1340447958 2010671937 4021343874 6032015811 12064031622