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50278028307 = 3131289180213
BaseRepresentation
bin101110110100110011…
…011101010000010011
311210202221222110202120
4232310303131100103
51310432133401212
635033012345323
73426636121623
oct566463352023
9153687873676
1050278028307
111a3606aa911
1298b2015243
134983546b10
14260d624883
151493eb388c
hexbb4cdd413

50278028307 has 8 divisors (see below), whose sum is σ = 72194091984. Its totient is φ = 30940325088.

The previous prime is 50278028303. The next prime is 50278028327. The reversal of 50278028307 is 70382087205.

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

It is not a de Polignac number, because 50278028307 - 22 = 50278028303 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (50278028303) 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, 644590068 + ... + 644590145.

It is an arithmetic number, because the mean of its divisors is an integer number (9024261498).

Almost surely, 250278028307 is an apocalyptic number.

50278028307 is a deficient number, since it is larger than the sum of its proper divisors (21916063677).

50278028307 is a wasteful number, since it uses less digits than its factorization.

50278028307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289180229.

The product of its (nonzero) digits is 188160, while the sum is 42.

The spelling of 50278028307 in words is "fifty billion, two hundred seventy-eight million, twenty-eight thousand, three hundred seven".

Divisors: 1 3 13 39 1289180213 3867540639 16759342769 50278028307