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50421858290 = 2515443326503
BaseRepresentation
bin101110111101011000…
…000111111111110010
311211010222121210101222
4232331120013333302
51311230443431130
635055151225042
73433333503206
oct567530077762
9154128553358
1050421858290
111a424908471
129932218182
1349a729550b
142624784b06
1514a1924ce5
hexbbd607ff2

50421858290 has 16 divisors (see below), whose sum is σ = 90765499968. Its totient is φ = 20167375536.

The previous prime is 50421858239. The next prime is 50421858337. The reversal of 50421858290 is 9285812405.

It is a super-3 number, since 3×504218582903 (a number of 33 digits) contains 333 as substring.

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, 8822 + ... + 317681.

It is an arithmetic number, because the mean of its divisors is an integer number (5672843748).

Almost surely, 250421858290 is an apocalyptic number.

50421858290 is a deficient number, since it is larger than the sum of its proper divisors (40343641678).

50421858290 is a wasteful number, since it uses less digits than its factorization.

50421858290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341953.

The product of its (nonzero) digits is 230400, while the sum is 44.

The spelling of 50421858290 in words is "fifty billion, four hundred twenty-one million, eight hundred fifty-eight thousand, two hundred ninety".

Divisors: 1 2 5 10 15443 30886 77215 154430 326503 653006 1632515 3265030 5042185829 10084371658 25210929145 50421858290