Search a number
-
+
101321311122240 = 2635112931101251421
BaseRepresentation
bin10111000010011010110100…
…110000011111001101000000
3111021202020000101022011100120
4113002122310300133031000
5101240022021121402430
6555254211233420240
730225136354313436
oct2702326460371500
9437666011264316
10101321311122240
112a314143761990
12b4448ba10a680
13446c735448591
141b03d9885ad56
15baa8ee5eb610
hex5c26b4c1f340

101321311122240 has 1792 divisors, whose sum is σ = 380873367060480. Its totient is φ = 22579200000000.

The previous prime is 101321311122221. The next prime is 101321311122313. The reversal of 101321311122240 is 42221113123101.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 101321311122240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 240668197230 + ... + 240668197650.

It is an arithmetic number, because the mean of its divisors is an integer number (212540941440).

Almost surely, 2101321311122240 is an apocalyptic number.

101321311122240 is a gapful number since it is divisible by the number (10) 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 101321311122240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190436683530240).

101321311122240 is an abundant number, since it is smaller than the sum of its proper divisors (279552055938240).

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

101321311122240 is a wasteful number, since it uses less digits than its factorization.

101321311122240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864 (or 854 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 101321311122240 its reverse (42221113123101), we get a palindrome (143542424245341).

The spelling of 101321311122240 in words is "one hundred one trillion, three hundred twenty-one billion, three hundred eleven million, one hundred twenty-two thousand, two hundred forty".