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49781480477 = 175475353423
BaseRepresentation
bin101110010111001101…
…010001110000011101
311202111100122020012012
4232113031101300131
51303423024333402
634511433521005
73411426413411
oct562715216035
9152440566165
1049781480477
111a126391103
129793873165
134904700131
1425a36cad41
1514655cd452
hexb97351c1d

49781480477 has 8 divisors (see below), whose sum is σ = 52806174336. Its totient is φ = 46767494592.

The previous prime is 49781480471. The next prime is 49781480521. The reversal of 49781480477 is 77408418794.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49781480477 - 216 = 49781414941 is a prime.

It is a super-4 number, since 4×497814804774 (a number of 44 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49781480471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2667413 + ... + 2686010.

It is an arithmetic number, because the mean of its divisors is an integer number (6600771792).

Almost surely, 249781480477 is an apocalyptic number.

It is an amenable number.

49781480477 is a deficient number, since it is larger than the sum of its proper divisors (3024693859).

49781480477 is a wasteful number, since it uses less digits than its factorization.

49781480477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5353987.

The product of its (nonzero) digits is 12644352, while the sum is 59.

The spelling of 49781480477 in words is "forty-nine billion, seven hundred eighty-one million, four hundred eighty thousand, four hundred seventy-seven".

Divisors: 1 17 547 9299 5353423 91008191 2928322381 49781480477