Search a number
-
+
4985950645872 = 24337231034791453
BaseRepresentation
bin100100010001110000111…
…0100010010111001110000
3122122122121110202222201000
41020203201310102321300
51123142211331131442
614334303014042000
71023136335136050
oct110434164227160
918578543688630
104985950645872
111652591179899
12686388949300
132a2233494c81
1413346d903560
1589a690ded4c
hex488e1d12e70

4985950645872 has 640 divisors, whose sum is σ = 17280722534400. Its totient is φ = 1345646877696.

The previous prime is 4985950645861. The next prime is 4985950645883. The reversal of 4985950645872 is 2785460595894.

4985950645872 is a `hidden beast` number, since 4 + 9 + 8 + 5 + 9 + 506 + 45 + 8 + 72 = 666.

It is an interprime number because it is at equal distance from previous prime (4985950645861) and next prime (4985950645883).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 4985950645872.

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, 3431486298 + ... + 3431487750.

It is an arithmetic number, because the mean of its divisors is an integer number (27001128960).

Almost surely, 24985950645872 is an apocalyptic number.

4985950645872 is a gapful number since it is divisible by the number (42) 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 4985950645872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8640361267200).

4985950645872 is an abundant number, since it is smaller than the sum of its proper divisors (12294771888528).

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

4985950645872 is a wasteful number, since it uses less digits than its factorization.

4985950645872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2082 (or 2070 counting only the distinct ones).

The product of its (nonzero) digits is 870912000, while the sum is 72.

The spelling of 4985950645872 in words is "four trillion, nine hundred eighty-five billion, nine hundred fifty million, six hundred forty-five thousand, eight hundred seventy-two".