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50432334521 = 172966607913
BaseRepresentation
bin101110111110000000…
…000101101010111001
311211011201100001002112
4232332000011222321
51311241134201041
635100203542105
73433521525152
oct567600055271
9154151301075
1050432334521
111a42a813408
12993582a935
1349a94c2a7a
142625d10929
1514a27e3deb
hexbbe005ab9

50432334521 has 4 divisors (see below), whose sum is σ = 53398942452. Its totient is φ = 47465726592.

The previous prime is 50432334461. The next prime is 50432334523. The reversal of 50432334521 is 12543323405.

50432334521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12543323405 = 52508664681.

It can be written as a sum of positive squares in 2 ways, for example, as 23245271296 + 27187063225 = 152464^2 + 164885^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50432334521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50432334523) 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, 1483303940 + ... + 1483303973.

It is an arithmetic number, because the mean of its divisors is an integer number (13349735613).

Almost surely, 250432334521 is an apocalyptic number.

It is an amenable number.

50432334521 is a deficient number, since it is larger than the sum of its proper divisors (2966607931).

50432334521 is a wasteful number, since it uses less digits than its factorization.

50432334521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966607930.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 50432334521 its reverse (12543323405), we get a palindrome (62975657926).

The spelling of 50432334521 in words is "fifty billion, four hundred thirty-two million, three hundred thirty-four thousand, five hundred twenty-one".

Divisors: 1 17 2966607913 50432334521