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49955071747 = 77136438821
BaseRepresentation
bin101110100001100011…
…011110011100000011
311202221110021120122111
4232201203132130003
51304301444243442
634540554320151
73415635050410
oct564143363403
9152843246574
1049955071747
111a205376869
129821a29057
13493166bc69
1425bc797107
15147596cb17
hexba18de703

49955071747 has 4 divisors (see below), whose sum is σ = 57091510576. Its totient is φ = 42818632920.

The previous prime is 49955071739. The next prime is 49955071759. The reversal of 49955071747 is 74717055994.

It is a happy number.

49955071747 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 is not a de Polignac number, because 49955071747 - 23 = 49955071739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49955071691 and 49955071700.

It is not an unprimeable number, because it can be changed into a prime (49955071787) 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, 3568219404 + ... + 3568219417.

It is an arithmetic number, because the mean of its divisors is an integer number (14272877644).

Almost surely, 249955071747 is an apocalyptic number.

49955071747 is a deficient number, since it is larger than the sum of its proper divisors (7136438829).

49955071747 is an equidigital number, since it uses as much as digits as its factorization.

49955071747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7136438828.

The product of its (nonzero) digits is 11113200, while the sum is 58.

The spelling of 49955071747 in words is "forty-nine billion, nine hundred fifty-five million, seventy-one thousand, seven hundred forty-seven".

Divisors: 1 7 7136438821 49955071747