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48620127789 = 32173110250923
BaseRepresentation
bin101101010001111111…
…000100011000101101
311122111102100101210200
4231101333010120231
51244033223042124
634200310024113
73340565160462
oct552177043055
9148442311720
1048620127789
111968a8816a2
12950a948039
13477ac1a8ac
1424d337b669
1513e8678bc9
hexb51fc462d

48620127789 has 24 divisors (see below), whose sum is σ = 76758918912. Its totient is φ = 29522655360.

The previous prime is 48620127757. The next prime is 48620127791. The reversal of 48620127789 is 98772102684.

It is a happy number.

48620127789 is a `hidden beast` number, since 4 + 8 + 620 + 1 + 2 + 7 + 7 + 8 + 9 = 666.

It is not a de Polignac number, because 48620127789 - 25 = 48620127757 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48620127709) 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 23 ways as a sum of consecutive naturals, for example, 5120719 + ... + 5130204.

It is an arithmetic number, because the mean of its divisors is an integer number (3198288288).

Almost surely, 248620127789 is an apocalyptic number.

It is an amenable number.

48620127789 is a deficient number, since it is larger than the sum of its proper divisors (28138791123).

48620127789 is a wasteful number, since it uses less digits than its factorization.

48620127789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10250977 (or 10250974 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The spelling of 48620127789 in words is "forty-eight billion, six hundred twenty million, one hundred twenty-seven thousand, seven hundred eighty-nine".

Divisors: 1 3 9 17 31 51 93 153 279 527 1581 4743 10250923 30752769 92258307 174265691 317778613 522797073 953335839 1568391219 2860007517 5402236421 16206709263 48620127789