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56306143545 = 3533111340613
BaseRepresentation
bin110100011100000110…
…111001000100111001
312101100001221110021220
4310130012321010321
51410303333043140
641511112022253
74032214215621
oct643406710471
9171301843256
1056306143545
1121974394033
12aab4991989
1354043a7a02
142a22071881
1516e8301bd0
hexd1c1b9139

56306143545 has 16 divisors (see below), whose sum is σ = 90362012352. Its totient is φ = 29939215680.

The previous prime is 56306143499. The next prime is 56306143567. The reversal of 56306143545 is 54534160365.

It is not a de Polignac number, because 56306143545 - 211 = 56306141497 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56306143497 and 56306143506.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5665342 + ... + 5675271.

It is an arithmetic number, because the mean of its divisors is an integer number (5647625772).

Almost surely, 256306143545 is an apocalyptic number.

It is an amenable number.

56306143545 is a deficient number, since it is larger than the sum of its proper divisors (34055868807).

56306143545 is a wasteful number, since it uses less digits than its factorization.

56306143545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11340952.

The product of its (nonzero) digits is 648000, while the sum is 42.

It can be divided in two parts, 563061 and 43545, that added together give a palindrome (606606).

The spelling of 56306143545 in words is "fifty-six billion, three hundred six million, one hundred forty-three thousand, five hundred forty-five".

Divisors: 1 3 5 15 331 993 1655 4965 11340613 34021839 56703065 170109195 3753742903 11261228709 18768714515 56306143545