Search a number
-
+
31044410120000 = 2654103139151359
BaseRepresentation
bin1110000111100000101110…
…00010011001011101000000
311001220211001022121000210102
413003300113002121131000
513032112422442320000
6150005334412421532
76352612265053604
oct703602702313500
9131824038530712
1031044410120000
119989951206462
1235947461778a8
1314426243546b4
147947b3991504
1538c80a2ae3d5
hex1c3c17099740

31044410120000 has 560 divisors, whose sum is σ = 79024584038400. Its totient is φ = 12094099200000.

The previous prime is 31044410119999. The next prime is 31044410120029. The reversal of 31044410120000 is 2101444013.

31044410120000 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 86474679821 + ... + 86474680179.

It is an arithmetic number, because the mean of its divisors is an integer number (141115328640).

Almost surely, 231044410120000 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 31044410120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39512292019200).

31044410120000 is an abundant number, since it is smaller than the sum of its proper divisors (47980173918400).

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

31044410120000 is a wasteful number, since it uses less digits than its factorization.

31044410120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784 (or 759 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 31044410120000 its reverse (2101444013), we get a palindrome (31046511564013).

The spelling of 31044410120000 in words is "thirty-one trillion, forty-four billion, four hundred ten million, one hundred twenty thousand".