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5381074944 = 2123472331
BaseRepresentation
bin1010000001011110…
…01011000000000000
3111220000102221010000
411000233023000000
542010023344234
62245543040000
7250230245100
oct50057130000
914800387100
105381074944
112311527283
121062140000
13679aa511b
1439093b200
1521762c899
hex140bcb000

5381074944 has 390 divisors, whose sum is σ = 18755784564. Its totient is φ = 1532805120.

The previous prime is 5381074939. The next prime is 5381074969. The reversal of 5381074944 is 4494701835.

5381074944 is a `hidden beast` number, since 53 + 8 + 107 + 494 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 5381074944.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 16256859 + ... + 16257189.

Almost surely, 25381074944 is an apocalyptic number.

5381074944 is a gapful number since it is divisible by the number (54) 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 5381074944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9377892282).

5381074944 is an abundant number, since it is smaller than the sum of its proper divisors (13374709620).

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

5381074944 is an equidigital number, since it uses as much as digits as its factorization.

5381074944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 5381074944 is about 73355.8105673981. The cubic root of 5381074944 is about 1752.3587180664.

The spelling of 5381074944 in words is "five billion, three hundred eighty-one million, seventy-four thousand, nine hundred forty-four".