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50390346240 = 29365133167
BaseRepresentation
bin101110111011011111…
…111010101000000000
311211001210022211000000
4232323133322220000
51311144412034430
635052104000000
73432501606303
oct567337725000
9154053284000
1050390346240
111a409044a53
129923760000
1349a08b1230
142620500b3a
15149dc9ce60
hexbbb7faa00

50390346240 has 1120 divisors, whose sum is σ = 204377918976. Its totient is φ = 11824496640.

The previous prime is 50390346239. The next prime is 50390346241. The reversal of 50390346240 is 4264309305.

50390346240 is a `hidden beast` number, since 503 + 90 + 3 + 4 + 62 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (50390346239) and next prime (50390346241).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 50390346195 and 50390346204.

It is not an unprimeable number, because it can be changed into a prime (50390346241) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 752094687 + ... + 752094753.

Almost surely, 250390346240 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 50390346240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102188959488).

50390346240 is an abundant number, since it is smaller than the sum of its proper divisors (153987572736).

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

50390346240 is an equidigital number, since it uses as much as digits as its factorization.

50390346240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 50390346240 in words is "fifty billion, three hundred ninety million, three hundred forty-six thousand, two hundred forty".