Search a number
-
+
488172253120 = 26519412278627
BaseRepresentation
bin1110001101010010101…
…01010110111111000000
31201200001120012220202021
413012221111112333000
530444234044044440
61012132505331224
750161235454316
oct7065125267700
91650046186667
10488172253120
1117903a568182
127a73ba96b14
133705a8a6c96
14198b04440b6
15ca7258a84a
hex71a9556fc0

488172253120 has 224 divisors, whose sum is σ = 1259155134720. Its totient is φ = 179663708160.

The previous prime is 488172253097. The next prime is 488172253199. The reversal of 488172253120 is 21352271884.

It is a congruent number.

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, 56582247 + ... + 56590873.

It is an arithmetic number, because the mean of its divisors is an integer number (5621228280).

Almost surely, 2488172253120 is an apocalyptic number.

488172253120 is a gapful number since it is divisible by the number (40) 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 488172253120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (629577567360).

488172253120 is an abundant number, since it is smaller than the sum of its proper divisors (770982881600).

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

488172253120 is a wasteful number, since it uses less digits than its factorization.

488172253120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8931 (or 8921 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 488172253120 in words is "four hundred eighty-eight billion, one hundred seventy-two million, two hundred fifty-three thousand, one hundred twenty".