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49743988842 = 2338921312763
BaseRepresentation
bin101110010100111110…
…010000100001101010
311202101202002110100010
4232110332100201222
51303333430120332
634504014152350
73410462633352
oct562476204152
9152352073303
1049743988842
111a107204089
1297831b26b6
1348c9a04232
14259c72bb62
1514621749cc
hexb94f9086a

49743988842 has 16 divisors (see below), whose sum is σ = 99743735520. Its totient is φ = 16538703312.

The previous prime is 49743988823. The next prime is 49743988843. The reversal of 49743988842 is 24888934794.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (49743988843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10654048 + ... + 10658715.

It is an arithmetic number, because the mean of its divisors is an integer number (6233983470).

Almost surely, 249743988842 is an apocalyptic number.

49743988842 is an abundant number, since it is smaller than the sum of its proper divisors (49999746678).

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

49743988842 is a wasteful number, since it uses less digits than its factorization.

49743988842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21313157.

The product of its digits is 111476736, while the sum is 66.

The spelling of 49743988842 in words is "forty-nine billion, seven hundred forty-three million, nine hundred eighty-eight thousand, eight hundred forty-two".

Divisors: 1 2 3 6 389 778 1167 2334 21312763 42625526 63938289 127876578 8290664807 16581329614 24871994421 49743988842