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50113002440 = 2352779345077
BaseRepresentation
bin101110101010111101…
…111011101111001000
311210100110110021211102
4232222331323233020
51310112412034230
635004355320532
73422563330634
oct565275735710
9153313407742
1050113002440
111a2865354a6
1298668b0148
1349582b6887
1425d5747dc4
151484767045
hexbaaf7bbc8

50113002440 has 32 divisors (see below), whose sum is σ = 112760813880. Its totient is φ = 20044035072.

The previous prime is 50113002421. The next prime is 50113002463. The reversal of 50113002440 is 4420031105.

It can be written as a sum of positive squares in 4 ways, for example, as 27378997156 + 22734005284 = 165466^2 + 150778^2 .

It is a super-2 number, since 2×501130024402 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1089182 + ... + 1134258.

Almost surely, 250113002440 is an apocalyptic number.

It is an amenable number.

50113002440 is an abundant number, since it is smaller than the sum of its proper divisors (62647811440).

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

50113002440 is a wasteful number, since it uses less digits than its factorization.

50113002440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72881 (or 72877 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 50113002440 its reverse (4420031105), we get a palindrome (54533033545).

The spelling of 50113002440 in words is "fifty billion, one hundred thirteen million, two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 27793 45077 55586 90154 111172 138965 180308 222344 225385 277930 360616 450770 555860 901540 1111720 1803080 1252825061 2505650122 5011300244 6264125305 10022600488 12528250610 25056501220 50113002440