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56406068017245 = 3251253468178161
BaseRepresentation
bin11001101001101000011111…
…01001011011100001011101
321101201100220212022101211100
430310310033221123201131
524343124111403022440
6315544331231143313
714611126643216562
oct1464641751334135
9241640825271740
1056406068017245
1116a77751990021
1263aba5a074b39
1325620b95b304b
14dd00d5432869
1567c3b80b2230
hex334d0fa5b85d

56406068017245 has 12 divisors (see below), whose sum is σ = 97770517896636. Its totient is φ = 30083236275840.

The previous prime is 56406068017241. The next prime is 56406068017301. The reversal of 56406068017245 is 54271086060465.

56406068017245 is a `hidden beast` number, since 5 + 6 + 4 + 0 + 606 + 8 + 0 + 1 + 7 + 24 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21687080849721 + 34718987167524 = 4656939^2 + 5892282^2 .

It is not a de Polignac number, because 56406068017245 - 22 = 56406068017241 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56406068017191 and 56406068017200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56406068017241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 626734089036 + ... + 626734089125.

It is an arithmetic number, because the mean of its divisors is an integer number (8147543158053).

Almost surely, 256406068017245 is an apocalyptic number.

It is an amenable number.

56406068017245 is a deficient number, since it is larger than the sum of its proper divisors (41364449879391).

56406068017245 is a wasteful number, since it uses less digits than its factorization.

56406068017245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253468178172 (or 1253468178169 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 54.

The spelling of 56406068017245 in words is "fifty-six trillion, four hundred six billion, sixty-eight million, seventeen thousand, two hundred forty-five".

Divisors: 1 3 5 9 15 45 1253468178161 3760404534483 6267340890805 11281213603449 18802022672415 56406068017245