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50231778048 = 28351942499
BaseRepresentation
bin101110110010000011…
…000001101100000000
311210122201221201100000
4232302003001230000
51310333313344143
635024241200000
73425535032334
oct566203015400
9153581851300
1050231778048
111a337590361
12989a630000
134976aa23ba
1426074257c4
15148edc9bd3
hexbb20c1b00

50231778048 has 216 divisors, whose sum is σ = 158103400000. Its totient is φ = 15862293504.

The previous prime is 50231778019. The next prime is 50231778059. The reversal of 50231778048 is 84087713205.

50231778048 is a `hidden beast` number, since 502 + 31 + 7 + 78 + 0 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (216).

It is a junction number, because it is equal to n+sod(n) for n = 50231777994 and 50231778012.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1160703 + ... + 1203201.

Almost surely, 250231778048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50231778048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79051700000).

50231778048 is an abundant number, since it is smaller than the sum of its proper divisors (107871621952).

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

50231778048 is an equidigital number, since it uses as much as digits as its factorization.

50231778048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42549 (or 42523 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 50231778048 in words is "fifty billion, two hundred thirty-one million, seven hundred seventy-eight thousand, forty-eight".