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56384210057 = 719439859103
BaseRepresentation
bin110100100000110000…
…101100010010001001
312101112111211122102012
4310200300230102021
51410433324210212
641522541145305
74034152610030
oct644060542211
9171474748365
1056384210057
1121a0446460a
12ab16b5b235
13541760c006
142a2c593717
1517000c2922
hexd20c2c489

56384210057 has 16 divisors (see below), whose sum is σ = 69408092160. Its totient is φ = 44720886672.

The previous prime is 56384210041. The next prime is 56384210059. The reversal of 56384210057 is 75001248365.

It is not a de Polignac number, because 56384210057 - 24 = 56384210041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56384209996 and 56384210023.

It is not an unprimeable number, because it can be changed into a prime (56384210059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4923833 + ... + 4935270.

It is an arithmetic number, because the mean of its divisors is an integer number (4338005760).

Almost surely, 256384210057 is an apocalyptic number.

It is an amenable number.

56384210057 is a deficient number, since it is larger than the sum of its proper divisors (13023882103).

56384210057 is a wasteful number, since it uses less digits than its factorization.

56384210057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9859172.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 56384210057 in words is "fifty-six billion, three hundred eighty-four million, two hundred ten thousand, fifty-seven".

Divisors: 1 7 19 43 133 301 817 5719 9859103 69013721 187322957 423941429 1311260699 2967590003 8054887151 56384210057