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48646628109 = 332909619363
BaseRepresentation
bin101101010011100100…
…001010001100001101
311122120021012202102000
4231103210022030031
51244112014044414
634203054022513
73341336342052
oct552344121415
9148507182360
1048646628109
11196a3831792
1295177a7a39
134783568961
1424d6ab9029
1513eab60b09
hexb5390a30d

48646628109 has 16 divisors (see below), whose sum is σ = 72093969600. Its totient is φ = 32419884528.

The previous prime is 48646628089. The next prime is 48646628111. The reversal of 48646628109 is 90182664684.

48646628109 is a `hidden beast` number, since 4 + 8 + 6 + 4 + 6 + 628 + 1 + 0 + 9 = 666.

It is not a de Polignac number, because 48646628109 - 28 = 48646627853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48646628609) 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, 231139 + ... + 388224.

It is an arithmetic number, because the mean of its divisors is an integer number (4505873100).

Almost surely, 248646628109 is an apocalyptic number.

It is an amenable number.

48646628109 is a deficient number, since it is larger than the sum of its proper divisors (23447341491).

48646628109 is a wasteful number, since it uses less digits than its factorization.

48646628109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622281 (or 622275 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 48646628109 in words is "forty-eight billion, six hundred forty-six million, six hundred twenty-eight thousand, one hundred nine".

Divisors: 1 3 9 27 2909 8727 26181 78543 619363 1858089 5574267 16722801 1801726967 5405180901 16215542703 48646628109