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49954444995 = 3571337989099
BaseRepresentation
bin101110100001100001…
…000101011011000011
311202221102002201220110
4232201201011123003
51304301314214440
634540533042403
73415626530220
oct564141053303
9152842081813
1049954444995
111a204a88994
129821786403
1349314ac8c0
1425bc672947
151475897080
hexba18456c3

49954444995 has 64 divisors (see below), whose sum is σ = 101030630400. Its totient is φ = 20509936128.

The previous prime is 49954444973. The next prime is 49954444999. The reversal of 49954444995 is 59944445994.

It is not a de Polignac number, because 49954444995 - 211 = 49954442947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49954444999) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 444045 + ... + 545054.

It is an arithmetic number, because the mean of its divisors is an integer number (1578603600).

Almost surely, 249954444995 is an apocalyptic number.

49954444995 is an abundant number, since it is smaller than the sum of its proper divisors (51076185405).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49954444995 is a wasteful number, since it uses less digits than its factorization.

49954444995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989164.

The product of its digits is 167961600, while the sum is 66.

Subtracting 49954444995 from its reverse (59944445994), we obtain a palindrome (9990000999).

The spelling of 49954444995 in words is "forty-nine billion, nine hundred fifty-four million, four hundred forty-four thousand, nine hundred ninety-five".

Divisors: 1 3 5 7 13 15 21 35 37 39 65 91 105 111 185 195 259 273 455 481 555 777 1295 1365 1443 2405 3367 3885 7215 10101 16835 50505 989099 2967297 4945495 6923693 12858287 14836485 20771079 34618465 36596663 38574861 64291435 90008009 103855395 109789989 182983315 192874305 256176641 270024027 450040045 475756619 548949945 768529923 1280883205 1350120135 1427269857 2378783095 3330296333 3842649615 7136349285 9990888999 16651481665 49954444995