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48839992757 = 108127451691
BaseRepresentation
bin101101011111000101…
…110010010110110101
311200001202001200211122
4231133011302112311
51300011014232012
634234202313325
73346205042303
oct553705622665
9150052050748
1048839992757
11197929a2486
1295704b8845
1347b463b9ca
142514651273
15140cb08e72
hexb5f1725b5

48839992757 has 4 divisors (see below), whose sum is σ = 48840552576. Its totient is φ = 48839432940.

The previous prime is 48839992739. The next prime is 48839992769. The reversal of 48839992757 is 75729993884.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 48839992757 - 220 = 48838944181 is a prime.

It is a super-2 number, since 2×488399927572 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48839992717) 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, 117719 + ... + 333972.

It is an arithmetic number, because the mean of its divisors is an integer number (12210138144).

Almost surely, 248839992757 is an apocalyptic number.

It is an amenable number.

48839992757 is a deficient number, since it is larger than the sum of its proper divisors (559819).

48839992757 is a wasteful number, since it uses less digits than its factorization.

48839992757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559818.

The product of its digits is 274337280, while the sum is 71.

The spelling of 48839992757 in words is "forty-eight billion, eight hundred thirty-nine million, nine hundred ninety-two thousand, seven hundred fifty-seven".

Divisors: 1 108127 451691 48839992757