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49624683649 = 131378814379
BaseRepresentation
bin101110001101110111…
…001001010010000001
311202002102121010101021
4232031313021102001
51303112404334044
634444113105441
73404513564662
oct561567112201
9152072533337
1049624683649
111a055927352
12974b258281
1348ab091648
14258a953369
151456959e84
hexb8ddc9481

49624683649 has 4 divisors (see below), whose sum is σ = 50003498160. Its totient is φ = 49245869140.

The previous prime is 49624683611. The next prime is 49624683659. The reversal of 49624683649 is 94638642694.

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 49624683649 - 217 = 49624552577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49624683659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189407059 + ... + 189407320.

It is an arithmetic number, because the mean of its divisors is an integer number (12500874540).

Almost surely, 249624683649 is an apocalyptic number.

It is an amenable number.

49624683649 is a deficient number, since it is larger than the sum of its proper divisors (378814511).

49624683649 is a wasteful number, since it uses less digits than its factorization.

49624683649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378814510.

The product of its digits is 53747712, while the sum is 61.

The spelling of 49624683649 in words is "forty-nine billion, six hundred twenty-four million, six hundred eighty-three thousand, six hundred forty-nine".

Divisors: 1 131 378814379 49624683649