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50197809039 = 3718593128563
BaseRepresentation
bin101110110000000001…
…011100011110001111
311210120101000220121120
4232300001130132033
51310301114342124
635021025132023
73424643223330
oct566001343617
9153511026546
1050197809039
111a31a3999a4
12988b18a013
13496ca3a9b1
142602b02287
15148be19d79
hexbb005c78f

50197809039 has 16 divisors (see below), whose sum is σ = 76496608512. Its totient is φ = 28682696448.

The previous prime is 50197809029. The next prime is 50197809041. The reversal of 50197809039 is 93090879105.

It is a happy number.

50197809039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50197809039 - 29 = 50197808527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50197808982 and 50197809000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50197809029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326172 + ... + 454734.

It is an arithmetic number, because the mean of its divisors is an integer number (4781038032).

Almost surely, 250197809039 is an apocalyptic number.

50197809039 is a deficient number, since it is larger than the sum of its proper divisors (26298799473).

50197809039 is a wasteful number, since it uses less digits than its factorization.

50197809039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147166.

The product of its (nonzero) digits is 612360, while the sum is 51.

The spelling of 50197809039 in words is "fifty billion, one hundred ninety-seven million, eight hundred nine thousand, thirty-nine".

Divisors: 1 3 7 21 18593 55779 128563 130151 385689 390453 899941 2699823 2390371859 7171115577 16732603013 50197809039