Search a number
-
+
3997330740480 = 283571125153861
BaseRepresentation
bin111010001010110011011…
…110101001010100000000
3112011010210212000021020110
4322022303132221110000
51010443013132143410
612300203130311320
7561540403451310
oct72126336512400
915133725007213
103997330740480
111301292aa1470
12546861b88540
1322cc3cab602c
14db686a2d440
156dea6998720
hex3a2b37a9500

3997330740480 has 576 divisors, whose sum is σ = 15980353837056. Its totient is φ = 827289600000.

The previous prime is 3997330740451. The next prime is 3997330740517. The reversal of 3997330740480 is 840470337993.

It is a happy number.

It is a super-2 number, since 2×39973307404802 (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 3997330740480.

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 63 ways as a sum of consecutive naturals, for example, 74188750 + ... + 74242610.

It is an arithmetic number, because the mean of its divisors is an integer number (27743669856).

Almost surely, 23997330740480 is an apocalyptic number.

3997330740480 is a gapful number since it is divisible by the number (30) 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 3997330740480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7990176918528).

3997330740480 is an abundant number, since it is smaller than the sum of its proper divisors (11983023096576).

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

3997330740480 is a wasteful number, since it uses less digits than its factorization.

3997330740480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54154 (or 54140 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 57.

The spelling of 3997330740480 in words is "three trillion, nine hundred ninety-seven billion, three hundred thirty million, seven hundred forty thousand, four hundred eighty".