Search a number
-
+
87055926623 = 184559471697
BaseRepresentation
bin101000100010011110…
…0000000010101011111
322022201002002021200122
41101010330000111133
52411242304122443
6103554250345155
76201220111151
oct1210474002537
9268632067618
1087055926623
1133a1388a1a6
1214a56a2b1bb
138294bbc923
1442dbcd2ad1
1523e7b83968
hex1444f0055f

87055926623 has 4 divisors (see below), whose sum is σ = 87056582880. Its totient is φ = 87055270368.

The previous prime is 87055926593. The next prime is 87055926641. The reversal of 87055926623 is 32662955078.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 87055926623 - 220 = 87054878047 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 (87057926623) 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, 51290 + ... + 420407.

It is an arithmetic number, because the mean of its divisors is an integer number (21764145720).

Almost surely, 287055926623 is an apocalyptic number.

87055926623 is a deficient number, since it is larger than the sum of its proper divisors (656257).

87055926623 is a wasteful number, since it uses less digits than its factorization.

87055926623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656256.

The product of its (nonzero) digits is 5443200, while the sum is 53.

The spelling of 87055926623 in words is "eighty-seven billion, fifty-five million, nine hundred twenty-six thousand, six hundred twenty-three".

Divisors: 1 184559 471697 87055926623