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1138714848 = 2534677983
BaseRepresentation
bin100001111011111…
…0110100011100000
32221100200201010000
41003313312203200
54313002333343
6304554340000
740134626235
oct10367664340
92840621100
101138714848
11534858357
1227942a600
13151bb758b
14ab33978c
1569e81ed3
hex43df68e0

1138714848 has 240 divisors, whose sum is σ = 3483406080. Its totient is φ = 364725504.

The previous prime is 1138714831. The next prime is 1138714879. The reversal of 1138714848 is 8484178311.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13719415 + ... + 13719497.

It is an arithmetic number, because the mean of its divisors is an integer number (14514192).

Almost surely, 21138714848 is an apocalyptic number.

1138714848 is a gapful number since it is divisible by the number (18) 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 1138714848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1741703040).

1138714848 is an abundant number, since it is smaller than the sum of its proper divisors (2344691232).

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

1138714848 is an equidigital number, since it uses as much as digits as its factorization.

1138714848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 234 counting only the distinct ones).

The product of its digits is 172032, while the sum is 45.

The square root of 1138714848 is about 33744.8492069531. The cubic root of 1138714848 is about 1044.2512276889.

The spelling of 1138714848 in words is "one billion, one hundred thirty-eight million, seven hundred fourteen thousand, eight hundred forty-eight".