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49456994431 = 1312737979039
BaseRepresentation
bin101110000011110111…
…011101100001111111
311201122202001122000111
4232003313131201333
51302241442310211
634415323010451
73400406342065
oct560367354177
9151582048014
1049456994431
1119a7a202a19
129703069a27
13488240b060
142572582035
151446d84421
hexb83ddd87f

49456994431 has 16 divisors (see below), whose sum is σ = 53823078400. Its totient is φ = 45173062368.

The previous prime is 49456994399. The next prime is 49456994491. The reversal of 49456994431 is 13449965494.

It is a cyclic number.

It is not a de Polignac number, because 49456994431 - 25 = 49456994399 is a prime.

It is a super-2 number, since 2×494569944312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49456994491) 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, 586210 + ... + 665248.

It is an arithmetic number, because the mean of its divisors is an integer number (3363942400).

Almost surely, 249456994431 is an apocalyptic number.

49456994431 is a deficient number, since it is larger than the sum of its proper divisors (4366083969).

49456994431 is a wasteful number, since it uses less digits than its factorization.

49456994431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79558.

The product of its digits is 16796160, while the sum is 58.

The spelling of 49456994431 in words is "forty-nine billion, four hundred fifty-six million, nine hundred ninety-four thousand, four hundred thirty-one".

Divisors: 1 13 127 379 1651 4927 48133 79039 625729 1027507 10037953 29955781 130493389 389425153 3804384187 49456994431