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50111221223 = 711287634247
BaseRepresentation
bin101110101010110111…
…001000110111100111
311210100100002210110102
4232222313020313213
51310111433034343
635004253214315
73422542231610
oct565267106747
9153310083412
1050111221223
111a285529218
12986619139b
134957b11bbb
1425d5402c07
1514845143b8
hexbaadc8de7

50111221223 has 8 divisors (see below), whose sum is σ = 57275131392. Its totient is φ = 42948602136.

The previous prime is 50111221207. The next prime is 50111221253. The reversal of 50111221223 is 32212211105.

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

It is a cyclic number.

It is not a de Polignac number, because 50111221223 - 24 = 50111221207 is a prime.

It is a super-2 number, since 2×501112212232 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50111221195 and 50111221204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50111221253) 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, 238115 + ... + 396132.

It is an arithmetic number, because the mean of its divisors is an integer number (7159391424).

Almost surely, 250111221223 is an apocalyptic number.

50111221223 is a deficient number, since it is larger than the sum of its proper divisors (7163910169).

50111221223 is a wasteful number, since it uses less digits than its factorization.

50111221223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645541.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 50111221223 its reverse (32212211105), we get a palindrome (82323432328).

The spelling of 50111221223 in words is "fifty billion, one hundred eleven million, two hundred twenty-one thousand, two hundred twenty-three".

Divisors: 1 7 11287 79009 634247 4439729 7158745889 50111221223