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488441600000 = 21155167457
BaseRepresentation
bin1110001101110010110…
…00110101100000000000
31201200202100001011012122
413012321120311200000
531000312022200000
61012215330343412
750201016045224
oct7067130654000
91650670034178
10488441600000
11179168605502
127a7b612ab68
13370a1631733
14198d8118784
15ca8b042085
hex71b9635800

488441600000 has 288 divisors, whose sum is σ = 1230724666080. Its totient is φ = 193781760000.

The previous prime is 488441599999. The next prime is 488441600041. The reversal of 488441600000 is 6144884.

It is a super-2 number, since 2×4884416000002 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1068799772 + ... + 1068800228.

It is an arithmetic number, because the mean of its divisors is an integer number (4273349535).

Almost surely, 2488441600000 is an apocalyptic number.

488441600000 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 488441600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (615362333040).

488441600000 is an abundant number, since it is smaller than the sum of its proper divisors (742283066080).

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

488441600000 is an frugal number, since it uses more digits than its factorization.

488441600000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 631 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

Adding to 488441600000 its reverse (6144884), we get a palindrome (488447744884).

The spelling of 488441600000 in words is "four hundred eighty-eight billion, four hundred forty-one million, six hundred thousand".