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48891299520 = 2635729241211
BaseRepresentation
bin101101100010001001…
…100000011011000000
311200012022121100111010
4231202021200123000
51300112133041040
634243234120520
73350400121560
oct554211403300
9150168540433
1048891299520
1119809955a68
129585720140
1347c2163b3b
14251b3a8da0
151412390e80
hexb622606c0

48891299520 has 672 divisors, whose sum is σ = 189107283456. Its totient is φ = 10476748800.

The previous prime is 48891299503. The next prime is 48891299521. The reversal of 48891299520 is 2599219884.

It is a tau number, because it is divible by the number of its divisors (672).

It is not an unprimeable number, because it can be changed into a prime (48891299521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 231712215 + ... + 231712425.

It is an arithmetic number, because the mean of its divisors is an integer number (281409648).

Almost surely, 248891299520 is an apocalyptic number.

48891299520 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 48891299520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94553641728).

48891299520 is an abundant number, since it is smaller than the sum of its proper divisors (140215983936).

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

48891299520 is a wasteful number, since it uses less digits than its factorization.

48891299520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 57.

The spelling of 48891299520 in words is "forty-eight billion, eight hundred ninety-one million, two hundred ninety-nine thousand, five hundred twenty".