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49496066993 = 186912648123
BaseRepresentation
bin101110000110001100…
…100000101110110001
311201202110120201111102
4232012030200232301
51302331443120433
634423240254145
73401362425212
oct560614405661
9151673521442
1049496066993
1119a9a26a79a
129714171355
13488a53b709
142577833409
15144a5014e8
hexb86320bb1

49496066993 has 4 divisors (see below), whose sum is σ = 49498733808. Its totient is φ = 49493400180.

The previous prime is 49496066959. The next prime is 49496067011. The reversal of 49496066993 is 39966069494.

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 a de Polignac number, because none of the positive numbers 2k-49496066993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49496066903) 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, 1305371 + ... + 1342752.

It is an arithmetic number, because the mean of its divisors is an integer number (12374683452).

Almost surely, 249496066993 is an apocalyptic number.

It is an amenable number.

49496066993 is a deficient number, since it is larger than the sum of its proper divisors (2666815).

49496066993 is a wasteful number, since it uses less digits than its factorization.

49496066993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666814.

The product of its (nonzero) digits is 68024448, while the sum is 65.

The spelling of 49496066993 in words is "forty-nine billion, four hundred ninety-six million, sixty-six thousand, nine hundred ninety-three".

Divisors: 1 18691 2648123 49496066993