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48648637440 = 2103251326247
BaseRepresentation
bin101101010011101011…
…110100110000000000
311122120101222211200200
4231103223310300000
51244113022344230
634203205045200
73341362411134
oct552353646000
9148511884620
1048648637440
11196a4984397
1295183b6800
134783ac0400
1424d707d3c4
1513eae0b160
hexb53af4c00

48648637440 has 396 divisors, whose sum is σ = 182559549744. Its totient is φ = 11973132288.

The previous prime is 48648637421. The next prime is 48648637511. The reversal of 48648637440 is 4473684684.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7784397 + ... + 7790643.

It is an arithmetic number, because the mean of its divisors is an integer number (461008964).

Almost surely, 248648637440 is an apocalyptic number.

48648637440 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 48648637440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91279774872).

48648637440 is an abundant number, since it is smaller than the sum of its proper divisors (133910912304).

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

48648637440 is a wasteful number, since it uses less digits than its factorization.

48648637440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6304 (or 6270 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 54.

The spelling of 48648637440 in words is "forty-eight billion, six hundred forty-eight million, six hundred thirty-seven thousand, four hundred forty".