Search a number
-
+
22321330031000 = 23537111346148371
BaseRepresentation
bin1010001001101000101101…
…11100101000100110011000
32221000220020212110020011002
411010310112330220212120
510411203040441443000
6115250135532524132
74462443236514530
oct504642674504630
987026225406132
1022321330031000
117126471983110
122606034320648
13c5bb7a772710
14572502a324c0
1528a967e118d5
hex144d16f28998

22321330031000 has 512 divisors, whose sum is σ = 70283138365440. Its totient is φ = 6408057600000.

The previous prime is 22321330030969. The next prime is 22321330031017. The reversal of 22321330031000 is 13003312322.

It is a super-3 number, since 3×223213300310003 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 461436815 + ... + 461485185.

It is an arithmetic number, because the mean of its divisors is an integer number (137271754620).

Almost surely, 222321330031000 is an apocalyptic number.

22321330031000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22321330031000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35141569182720).

22321330031000 is an abundant number, since it is smaller than the sum of its proper divisors (47961808334440).

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

22321330031000 is a wasteful number, since it uses less digits than its factorization.

22321330031000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48884 (or 48870 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 22321330031000 its reverse (13003312322), we get a palindrome (22334333343322).

The spelling of 22321330031000 in words is "twenty-two trillion, three hundred twenty-one billion, three hundred thirty million, thirty-one thousand".