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56452320477 = 32721515411567
BaseRepresentation
bin110100100100110100…
…100000110011011101
312101201021000000100100
4310210310200303131
51411103243223402
641533413051313
74035640543500
oct644464406335
9171637000310
1056452320477
1121a39954a13
12ab35926b39
135428768737
142a37643137
15170607871c
hexd24d20cdd

56452320477 has 72 divisors (see below), whose sum is σ = 95720980992. Its totient is φ = 31965192000.

The previous prime is 56452320451. The next prime is 56452320487. The reversal of 56452320477 is 77402325465.

56452320477 is a `hidden beast` number, since 5 + 64 + 523 + 20 + 47 + 7 = 666.

It is not a de Polignac number, because 56452320477 - 219 = 56451796189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56452320487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 36024948 + ... + 36026514.

Almost surely, 256452320477 is an apocalyptic number.

It is an amenable number.

56452320477 is a deficient number, since it is larger than the sum of its proper divisors (39268660515).

56452320477 is a wasteful number, since it uses less digits than its factorization.

56452320477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279 (or 2269 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 45.

The spelling of 56452320477 in words is "fifty-six billion, four hundred fifty-two million, three hundred twenty thousand, four hundred seventy-seven".

Divisors: 1 3 7 9 21 49 63 147 151 441 453 541 1057 1359 1567 1623 3171 3787 4701 4869 7399 9513 10969 11361 14103 22197 26509 32907 34083 66591 76783 79527 81691 98721 230349 236617 238581 245073 571837 691047 709851 735219 847747 1656319 1715511 2129553 2543241 4002859 4968957 5146533 5934229 7629723 11594233 12008577 14906871 17802687 34782699 36025731 41539603 53408061 104348097 124618809 128009797 373856427 384029391 896068579 1152088173 2688205737 6272480053 8064617211 18817440159 56452320477