Search a number
-
+
55600035231 = 31347127238841
BaseRepresentation
bin110011110010000001…
…010011010110011111
312022111212021102210010
4303302001103112133
51402332102111411
641313045414303
74005551334036
oct636201232637
9168455242703
1055600035231
1121641852444
12a93840a393
13532100a240
14299638771d
1516a63247a6
hexcf205359f

55600035231 has 32 divisors (see below), whose sum is σ = 82176933888. Its totient is φ = 33223599360.

The previous prime is 55600035223. The next prime is 55600035241. The reversal of 55600035231 is 13253000655.

It is not a de Polignac number, because 55600035231 - 23 = 55600035223 is a prime.

It is a super-2 number, since 2×556000352312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55600035241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113371 + ... + 352211.

It is an arithmetic number, because the mean of its divisors is an integer number (2568029184).

Almost surely, 255600035231 is an apocalyptic number.

55600035231 is a deficient number, since it is larger than the sum of its proper divisors (26576898657).

55600035231 is a wasteful number, since it uses less digits than its factorization.

55600035231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239031.

The product of its (nonzero) digits is 13500, while the sum is 30.

Adding to 55600035231 its reverse (13253000655), we get a palindrome (68853035886).

The spelling of 55600035231 in words is "fifty-five billion, six hundred million, thirty-five thousand, two hundred thirty-one".

Divisors: 1 3 13 39 47 127 141 381 611 1651 1833 4953 5969 17907 77597 232791 238841 716523 3104933 9314799 11225527 30332807 33676581 90998421 145931851 394326491 437795553 1182979473 1425641929 4276925787 18533345077 55600035231