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49117221293 = 77016745899
BaseRepresentation
bin101101101111100111…
…010101000110101101
311200210001201100220012
4231233213111012231
51301043002040133
634321504303005
73356112330620
oct555747250655
9150701640805
1049117221293
1119915433378
129629311a65
134829bc5a6a
14253d3b7db7
15142711ab48
hexb6f9d51ad

49117221293 has 4 divisors (see below), whose sum is σ = 56133967200. Its totient is φ = 42100475388.

The previous prime is 49117221277. The next prime is 49117221301. The reversal of 49117221293 is 39212271194.

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 49117221293 - 24 = 49117221277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49117221293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49117227293) 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, 3508372943 + ... + 3508372956.

It is an arithmetic number, because the mean of its divisors is an integer number (14033491800).

Almost surely, 249117221293 is an apocalyptic number.

It is an amenable number.

49117221293 is a deficient number, since it is larger than the sum of its proper divisors (7016745907).

49117221293 is an equidigital number, since it uses as much as digits as its factorization.

49117221293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7016745906.

The product of its digits is 54432, while the sum is 41.

The spelling of 49117221293 in words is "forty-nine billion, one hundred seventeen million, two hundred twenty-one thousand, two hundred ninety-three".

Divisors: 1 7 7016745899 49117221293