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49995000005 = 59999000001
BaseRepresentation
bin101110100011111011…
…110010100011000101
311210001020102010220212
4232203323302203011
51304342210000010
634544542205205
73416631326336
oct564373624305
9153036363825
1049995000005
111a225968525
129833283805
134939a0bc52
1425c3bcc28d
151479208505
hexba3ef28c5

49995000005 has 4 divisors (see below), whose sum is σ = 59994000012. Its totient is φ = 39996000000.

The previous prime is 49994999981. The next prime is 49995000007. The reversal of 49995000005 is 50000059994.

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 29871591556 + 20123408449 = 172834^2 + 141857^2 .

It is not a de Polignac number, because 49995000005 - 28 = 49994999749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49995000007) 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, 4999499996 + ... + 4999500005.

It is an arithmetic number, because the mean of its divisors is an integer number (14998500003).

Almost surely, 249995000005 is an apocalyptic number.

It is an amenable number.

49995000005 is a deficient number, since it is larger than the sum of its proper divisors (9999000007).

49995000005 is an equidigital number, since it uses as much as digits as its factorization.

49995000005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9999000006.

The product of its (nonzero) digits is 72900, while the sum is 41.

Adding to 49995000005 its reverse (50000059994), we get a palindrome (99995059999).

The spelling of 49995000005 in words is "forty-nine billion, nine hundred ninety-five million, five", and thus it is an aban number.

Divisors: 1 5 9999000001 49995000005