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56261368293 = 31319611518243
BaseRepresentation
bin110100011001011100…
…000101100111100101
312101012221200122012020
4310121130011213211
51410210402241133
641502432213353
74031131511544
oct643134054745
9171187618166
1056261368293
1121951091799
12aaa199a259
1353c802b790
142a1a13815b
1516e440a0b3
hexd197059e5

56261368293 has 64 divisors (see below), whose sum is σ = 87014430720. Its totient is φ = 32044896000.

The previous prime is 56261368279. The next prime is 56261368297. The reversal of 56261368293 is 39286316265.

56261368293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56261368293 - 29 = 56261367781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56261368297) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6821230 + ... + 6829472.

It is an arithmetic number, because the mean of its divisors is an integer number (1359600480).

Almost surely, 256261368293 is an apocalyptic number.

It is an amenable number.

56261368293 is a deficient number, since it is larger than the sum of its proper divisors (30753062427).

56261368293 is a wasteful number, since it uses less digits than its factorization.

56261368293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8490.

The product of its digits is 2799360, while the sum is 51.

The spelling of 56261368293 in words is "fifty-six billion, two hundred sixty-one million, three hundred sixty-eight thousand, two hundred ninety-three".

Divisors: 1 3 13 19 39 57 61 151 183 247 453 741 793 1159 1963 2379 2869 3477 5889 8243 8607 9211 15067 24729 27633 37297 45201 107159 111891 119743 156617 175009 321477 359229 469851 502823 525027 1244693 1508469 2036021 2275117 3734079 6108063 6536699 6825351 9553637 16181009 19610097 23649167 28660911 48543027 70947501 75926273 124197281 227778819 307439171 372591843 922317513 987041549 1442599187 2961124647 4327797561 18753789431 56261368293