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50351747161 = 149337931189
BaseRepresentation
bin101110111001001100…
…101011000001011001
311210222002200210000111
4232321030223001121
51311110021402121
635044204404321
73431522534452
oct567114530131
9153862623014
1050351747161
111a399280991
1299128466a1
1349958b8241
142619334129
15149a6c62e1
hexbb932b059

50351747161 has 4 divisors (see below), whose sum is σ = 50689678500. Its totient is φ = 50013815824.

The previous prime is 50351747101. The next prime is 50351747167. The reversal of 50351747161 is 16174715305.

50351747161 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.

It can be written as a sum of positive squares in 2 ways, for example, as 3436187161 + 46915560000 = 58619^2 + 216600^2 .

It is a cyclic number.

It is not a de Polignac number, because 50351747161 - 229 = 49814876249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50351747167) 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, 168965446 + ... + 168965743.

It is an arithmetic number, because the mean of its divisors is an integer number (12672419625).

Almost surely, 250351747161 is an apocalyptic number.

It is an amenable number.

50351747161 is a deficient number, since it is larger than the sum of its proper divisors (337931339).

50351747161 is a wasteful number, since it uses less digits than its factorization.

50351747161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337931338.

The product of its (nonzero) digits is 88200, while the sum is 40.

The spelling of 50351747161 in words is "fifty billion, three hundred fifty-one million, seven hundred forty-seven thousand, one hundred sixty-one".

Divisors: 1 149 337931189 50351747161