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50354343972 = 223213710209721
BaseRepresentation
bin101110111001010110…
…100101000000100100
311210222021120201011200
4232321112211000210
51311111203001342
635044340202500
73431553601362
oct567126450044
9153867521150
1050354343972
111a39a794a09
129913699430
1349962b720a
14261980c632
15149aa3a94c
hexbb95a5024

50354343972 has 36 divisors (see below), whose sum is σ = 128213688876. Its totient is φ = 16662263040.

The previous prime is 50354343953. The next prime is 50354343973. The reversal of 50354343972 is 27934345305.

50354343972 is a `hidden beast` number, since 5 + 0 + 3 + 543 + 4 + 39 + 72 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 42301794276 + 8052549696 = 205674^2 + 89736^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (50354343973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5099929 + ... + 5109792.

Almost surely, 250354343972 is an apocalyptic number.

It is an amenable number.

50354343972 is an abundant number, since it is smaller than the sum of its proper divisors (77859344904).

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

50354343972 is a wasteful number, since it uses less digits than its factorization.

50354343972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10209868 (or 10209863 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 45.

The spelling of 50354343972 in words is "fifty billion, three hundred fifty-four million, three hundred forty-three thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 137 274 411 548 822 1233 1644 2466 4932 10209721 20419442 30629163 40838884 61258326 91887489 122516652 183774978 367549956 1398731777 2797463554 4196195331 5594927108 8392390662 12588585993 16784781324 25177171986 50354343972