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48555615985 = 5172412370301
BaseRepresentation
bin101101001110001000…
…111110011011110001
311122022220221212020121
4231032020332123301
51243420214202420
634150043210241
73336152632432
oct551610763361
9148286855217
1048555615985
1119657419a58
1294b1216981
13476a751126
1424c8987489
1513e2b842aa
hexb4e23e6f1

48555615985 has 16 divisors (see below), whose sum is σ = 61950213072. Its totient is φ = 36407808000.

The previous prime is 48555615937. The next prime is 48555616027. The reversal of 48555615985 is 58951655584.

It can be written as a sum of positive squares in 8 ways, for example, as 8169086689 + 40386529296 = 90383^2 + 200964^2 .

It is not a de Polignac number, because 48555615985 - 29 = 48555615473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1164666 + ... + 1205635.

It is an arithmetic number, because the mean of its divisors is an integer number (3871888317).

Almost surely, 248555615985 is an apocalyptic number.

It is an amenable number.

48555615985 is a deficient number, since it is larger than the sum of its proper divisors (13394597087).

48555615985 is a wasteful number, since it uses less digits than its factorization.

48555615985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370564.

The product of its digits is 43200000, while the sum is 61.

The spelling of 48555615985 in words is "forty-eight billion, five hundred fifty-five million, six hundred fifteen thousand, nine hundred eighty-five".

Divisors: 1 5 17 85 241 1205 4097 20485 2370301 11851505 40295117 201475585 571242541 2856212705 9711123197 48555615985