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48611598221 = 258411881181
BaseRepresentation
bin101101010001011110…
…100001111110001101
311122110211022001102202
4231101132201332031
51244024032120341
634155403131245
73340432524104
oct552136417615
9148424261382
1048611598221
1119685a8626a
129507b13b25
134779222404
1424d219b03b
1513e7a4179b
hexb517a1f8d

48611598221 has 4 divisors (see below), whose sum is σ = 48613505244. Its totient is φ = 48609691200.

The previous prime is 48611598199. The next prime is 48611598283. The reversal of 48611598221 is 12289511684.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32585304196 + 16026294025 = 180514^2 + 126595^2 .

It is a cyclic number.

It is not a de Polignac number, because 48611598221 - 26 = 48611598157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48611598521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914750 + ... + 966431.

It is an arithmetic number, because the mean of its divisors is an integer number (12153376311).

Almost surely, 248611598221 is an apocalyptic number.

It is an amenable number.

48611598221 is a deficient number, since it is larger than the sum of its proper divisors (1907023).

48611598221 is a wasteful number, since it uses less digits than its factorization.

48611598221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907022.

The product of its digits is 276480, while the sum is 47.

The spelling of 48611598221 in words is "forty-eight billion, six hundred eleven million, five hundred ninety-eight thousand, two hundred twenty-one".

Divisors: 1 25841 1881181 48611598221