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50621470142 = 2173146304827
BaseRepresentation
bin101111001001010001…
…100101010110111110
311211122220020010101112
4233021101211112332
51312133044021032
635131041442022
73441306253025
oct571121452676
9154586203345
1050621470142
111a517555841
129989040312
134a09744c39
1426430a58bc
1514b42041b2
hexbc94655be

50621470142 has 8 divisors (see below), whose sum is σ = 76371120216. Its totient is φ = 25164430072.

The previous prime is 50621470127. The next prime is 50621470147. The reversal of 50621470142 is 24107412605.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 50621470099 and 50621470108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50621470147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73152068 + ... + 73152759.

It is an arithmetic number, because the mean of its divisors is an integer number (9546390027).

Almost surely, 250621470142 is an apocalyptic number.

50621470142 is a deficient number, since it is larger than the sum of its proper divisors (25749650074).

50621470142 is a wasteful number, since it uses less digits than its factorization.

50621470142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146305002.

The product of its (nonzero) digits is 13440, while the sum is 32.

Adding to 50621470142 its reverse (24107412605), we get a palindrome (74728882747).

The spelling of 50621470142 in words is "fifty billion, six hundred twenty-one million, four hundred seventy thousand, one hundred forty-two".

Divisors: 1 2 173 346 146304827 292609654 25310735071 50621470142