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49255402405 = 5112338937077
BaseRepresentation
bin101101110111110110…
…011100101110100101
311201010200201200202011
4231313312130232211
51301333340334110
634343322114221
73362411004166
oct556766345645
9151120650664
1049255402405
1119986432940
12966764b971
13484c717231
1425538a776d
15143431348a
hexb77d9cba5

49255402405 has 16 divisors (see below), whose sum is σ = 67283270784. Its totient is φ = 34264626880.

The previous prime is 49255402403. The next prime is 49255402409. The reversal of 49255402405 is 50420455294.

It is not a de Polignac number, because 49255402405 - 21 = 49255402403 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 (49255402403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19467274 + ... + 19469803.

It is an arithmetic number, because the mean of its divisors is an integer number (4205204424).

Almost surely, 249255402405 is an apocalyptic number.

It is an amenable number.

49255402405 is a deficient number, since it is larger than the sum of its proper divisors (18027868379).

49255402405 is a wasteful number, since it uses less digits than its factorization.

49255402405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38937116.

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 49255402405 its reverse (50420455294), we get a palindrome (99675857699).

The spelling of 49255402405 in words is "forty-nine billion, two hundred fifty-five million, four hundred two thousand, four hundred five".

Divisors: 1 5 11 23 55 115 253 1265 38937077 194685385 428307847 895552771 2141539235 4477763855 9851080481 49255402405