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56055055009770 = 234569203771617
BaseRepresentation
bin11001011111011010101011…
…01001000100011111101010
321100110210220011102002110000
430233231111221010133222
524321401223040303040
6315115200424203430
714543562342664005
oct1457552551043752
9240423804362400
1056055055009770
11169518a7223213
126353a18609576
132537c79ba1b1b
14dbb11722853c
156731c215d130
hex32fb55a447ea

56055055009770 has 40 divisors (see below), whose sum is σ = 150725814584004. Its totient is φ = 14948014669056.

The previous prime is 56055055009607. The next prime is 56055055009771. The reversal of 56055055009770 is 7790055055065.

56055055009770 is a `hidden beast` number, since 5 + 60 + 5 + 5 + 0 + 5 + 500 + 9 + 7 + 70 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 52316853175521 + 3738201834249 = 7233039^2 + 1933443^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (56055055009771) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34601884999 + ... + 34601886618.

Almost surely, 256055055009770 is an apocalyptic number.

56055055009770 is an abundant number, since it is smaller than the sum of its proper divisors (94670759574234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56055055009770 is a wasteful number, since it uses less digits than its factorization.

56055055009770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69203771636 (or 69203771627 counting only the distinct ones).

The product of its (nonzero) digits is 8268750, while the sum is 54.

The spelling of 56055055009770 in words is "fifty-six trillion, fifty-five billion, fifty-five million, nine thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 69203771617 138407543234 207611314851 346018858085 415222629702 622833944553 692037716170 1038056574255 1245667889106 1868501833659 2076113148510 3114169722765 3737003667318 5605505500977 6228339445530 9342509168295 11211011001954 18685018336590 28027527504885 56055055009770