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49520936089 = 2225332
BaseRepresentation
bin101110000111101011…
…011000010010011001
311201211012101012111001
4232013223120102121
51302404324423324
634425525305001
73402114003652
oct560753302231
9151735335431
1049520936089
111a002306269
129720565161
134892738161
14257ac68529
15144c7b4e44
hexb87ad8499

49520936089 has 3 divisors (see below), whose sum is σ = 49521158623. Its totient is φ = 49520713556.

The previous prime is 49520936057. The next prime is 49520936107. The reversal of 49520936089 is 98063902594.

It is a happy number.

The square root of 49520936089 is 222533.

It is a perfect power (a square), and thus also a powerful number.

49520936089 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 a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 38807030025 + 10713906064 = 196995^2 + 103508^2 .

It is not a de Polignac number, because 49520936089 - 25 = 49520936057 is a prime.

It is a super-3 number, since 3×495209360893 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49520936189) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 111267 + ... + 333799.

Almost surely, 249520936089 is an apocalyptic number.

49520936089 is the 222533-rd square number.

49520936089 is the 111267-th centered octagonal number.

It is an amenable number.

49520936089 is a deficient number, since it is larger than the sum of its proper divisors (222534).

49520936089 is an frugal number, since it uses more digits than its factorization.

49520936089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445066 (or 222533 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 55.

The spelling of 49520936089 in words is "forty-nine billion, five hundred twenty million, nine hundred thirty-six thousand, eighty-nine".

Divisors: 1 222533 49520936089