Search a number
-
+
4431630470208 = 263971013376991
BaseRepresentation
bin100000001111101000111…
…0000101000110001000000
3120200122210221120102221120
41000133101300220301000
51040101434400021313
613231510220552240
7635113635320334
oct100372160506100
916618727512846
104431630470208
111459497960437
125b6a680b2680
13261b93542926
141146c62d37c4
157a4246e9d23
hex407d1c28c40

4431630470208 has 224 divisors, whose sum is σ = 12000741462528. Its totient is φ = 1443004416000.

The previous prime is 4431630470177. The next prime is 4431630470213. The reversal of 4431630470208 is 8020740361344.

It is a self number, because there is not a number n which added to its sum of digits gives 4431630470208.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 633901593 + ... + 633908583.

It is an arithmetic number, because the mean of its divisors is an integer number (53574738672).

Almost surely, 24431630470208 is an apocalyptic number.

4431630470208 is a gapful number since it is divisible by the number (48) 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 4431630470208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6000370731264).

4431630470208 is an abundant number, since it is smaller than the sum of its proper divisors (7569110992320).

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

4431630470208 is a wasteful number, since it uses less digits than its factorization.

4431630470208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7541 (or 7531 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 42.

The spelling of 4431630470208 in words is "four trillion, four hundred thirty-one billion, six hundred thirty million, four hundred seventy thousand, two hundred eight".