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48139783597 = 216172226941
BaseRepresentation
bin101100110101010110…
…101100110110101101
311121020221111101110001
4230311112230312231
51242042241033342
634040510344301
73322643260213
oct546526546655
9147227441401
1048139783597
111946371aa24
1293b5abb091
134702558369
142489660cb3
1513bb3e48b7
hexb355acdad

48139783597 has 4 divisors (see below), whose sum is σ = 48142032156. Its totient is φ = 48137535040.

The previous prime is 48139783579. The next prime is 48139783607. The reversal of 48139783597 is 79538793184.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20513687076 + 27626096521 = 143226^2 + 166211^2 .

It is a cyclic number.

It is not a de Polignac number, because 48139783597 - 235 = 13780045229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48139783567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1091854 + ... + 1135087.

It is an arithmetic number, because the mean of its divisors is an integer number (12035508039).

Almost surely, 248139783597 is an apocalyptic number.

It is an amenable number.

48139783597 is a deficient number, since it is larger than the sum of its proper divisors (2248559).

48139783597 is a wasteful number, since it uses less digits than its factorization.

48139783597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248558.

The product of its digits is 45722880, while the sum is 64.

The spelling of 48139783597 in words is "forty-eight billion, one hundred thirty-nine million, seven hundred eighty-three thousand, five hundred ninety-seven".

Divisors: 1 21617 2226941 48139783597