Search a number
-
+
3018937475840 = 285111321578081
BaseRepresentation
bin101011111011100110101…
…100100010001100000000
3101200121101221110201120012
4223323212230202030000
5343430240443211330
610230514123204052
7431053041100646
oct53734654421400
911617357421505
103018937475840
11a64362557660
12409110076628
1318b8b9048800
14a6190037196
15537e207cc95
hex2bee6b22300

3018937475840 has 432 divisors, whose sum is σ = 8597663022816. Its totient is φ = 1006770585600.

The previous prime is 3018937475819. The next prime is 3018937475927. The reversal of 3018937475840 is 485747398103.

It is a happy number.

It is a super-2 number, since 2×30189374758402 (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3018937475840.

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 47 ways as a sum of consecutive naturals, for example, 373580600 + ... + 373588680.

It is an arithmetic number, because the mean of its divisors is an integer number (19901997738).

Almost surely, 23018937475840 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 3018937475840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4298831511408).

3018937475840 is an abundant number, since it is smaller than the sum of its proper divisors (5578725546976).

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

3018937475840 is a wasteful number, since it uses less digits than its factorization.

3018937475840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8296 (or 8269 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 59.

The spelling of 3018937475840 in words is "three trillion, eighteen billion, nine hundred thirty-seven million, four hundred seventy-five thousand, eight hundred forty".