Search a number
-
+
49268805613 = 69677071739
BaseRepresentation
bin101101111000101001…
…100100111111101101
311201011121221122111021
4231320221210333231
51301400303234423
634344521254141
73362632636456
oct557051447755
9151147848437
1049268805613
1119992a57975
129670034351
13485242ab21
14255559612d
1514355ae95d
hexb78a64fed

49268805613 has 4 divisors (see below), whose sum is σ = 49275884320. Its totient is φ = 49261726908.

The previous prime is 49268805601. The next prime is 49268805637. The reversal of 49268805613 is 31650886294.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49268805613 - 25 = 49268805581 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 (49268805673) 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, 3528903 + ... + 3542836.

It is an arithmetic number, because the mean of its divisors is an integer number (12318971080).

Almost surely, 249268805613 is an apocalyptic number.

It is an amenable number.

49268805613 is a deficient number, since it is larger than the sum of its proper divisors (7078707).

49268805613 is an equidigital number, since it uses as much as digits as its factorization.

49268805613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7078706.

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 49268805613 in words is "forty-nine billion, two hundred sixty-eight million, eight hundred five thousand, six hundred thirteen".

Divisors: 1 6967 7071739 49268805613