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48115595721 = 331523989239
BaseRepresentation
bin101100110011111010…
…011011100111001001
311121012020222111220210
4230303322123213021
51242020043030341
634034244111333
73322230546504
oct546372334711
9147166874823
1048115595721
1119450aaa246
1293a9995549
1346ca5399cb
14248636613b
1513b9217c16
hexb33e9b9c9

48115595721 has 16 divisors (see below), whose sum is σ = 66350305280. Its totient is φ = 30982934160.

The previous prime is 48115595707. The next prime is 48115595741. The reversal of 48115595721 is 12759551184.

It is not a de Polignac number, because 48115595721 - 26 = 48115595657 is a prime.

It is a super-2 number, since 2×481155957212 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48115595741) 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, 445981 + ... + 543258.

It is an arithmetic number, because the mean of its divisors is an integer number (4146894080).

Almost surely, 248115595721 is an apocalyptic number.

It is an amenable number.

48115595721 is a deficient number, since it is larger than the sum of its proper divisors (18234709559).

48115595721 is a wasteful number, since it uses less digits than its factorization.

48115595721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989796.

The product of its digits is 504000, while the sum is 48.

The spelling of 48115595721 in words is "forty-eight billion, one hundred fifteen million, five hundred ninety-five thousand, seven hundred twenty-one".

Divisors: 1 3 31 93 523 1569 16213 48639 989239 2967717 30666409 91999227 517371997 1552115991 16038531907 48115595721