Search a number
-
+
48006490553 = 721757630841
BaseRepresentation
bin101100101101011010…
…001110100110111001
311120220122200101202122
4230231122032212321
51241304130144203
634015345411025
73316434302600
oct545532164671
9146818611678
1048006490553
11193a545998a
129379339a75
1346b0a58a38
142475a84a37
1513ae865538
hexb2d68e9b9

48006490553 has 12 divisors (see below), whose sum is σ = 59129243892. Its totient is φ = 38727924480.

The previous prime is 48006490541. The next prime is 48006490577. The reversal of 48006490553 is 35509460084.

It can be written as a sum of positive squares in 2 ways, for example, as 33075605689 + 14930884864 = 181867^2 + 122192^2 .

It is not a de Polignac number, because 48006490553 - 28 = 48006490297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48006490253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28814588 + ... + 28816253.

It is an arithmetic number, because the mean of its divisors is an integer number (4927436991).

Almost surely, 248006490553 is an apocalyptic number.

It is an amenable number.

48006490553 is a deficient number, since it is larger than the sum of its proper divisors (11122753339).

48006490553 is a wasteful number, since it uses less digits than its factorization.

48006490553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57630872 (or 57630865 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 48006490553 in words is "forty-eight billion, six million, four hundred ninety thousand, five hundred fifty-three".

Divisors: 1 7 17 49 119 833 57630841 403415887 979724297 2823911209 6858070079 48006490553