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50121382430 = 257716019749
BaseRepresentation
bin101110101011011101…
…111001101000011110
311210101001020001000102
4232223131321220132
51310122033214210
635005255101102
73423024502250
oct565335715036
9153331201012
1050121382430
111a290239509
129869671792
134959c5bc52
1425d68c9cd0
15148536eea5
hexbab779a1e

50121382430 has 16 divisors (see below), whose sum is σ = 103106844000. Its totient is φ = 17184473952.

The previous prime is 50121382393. The next prime is 50121382439. The reversal of 50121382430 is 3428312105.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 50121382393 and 50121382402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50121382439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358009805 + ... + 358009944.

It is an arithmetic number, because the mean of its divisors is an integer number (6444177750).

Almost surely, 250121382430 is an apocalyptic number.

50121382430 is an abundant number, since it is smaller than the sum of its proper divisors (52985461570).

50121382430 is a wasteful number, since it uses less digits than its factorization.

50121382430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716019763.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 50121382430 its reverse (3428312105), we get a palindrome (53549694535).

The spelling of 50121382430 in words is "fifty billion, one hundred twenty-one million, three hundred eighty-two thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 716019749 1432039498 3580098745 5012138243 7160197490 10024276486 25060691215 50121382430