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56601170531 is a prime number
BaseRepresentation
bin110100101101101100…
…010101001001100011
312102002122002101020022
4310231230111021203
51411404344424111
642000251304055
74042426003613
oct645554251143
9172078071208
1056601170531
1122005981194
12ab7774b02b
1354505540a9
142a4d30ca43
15171417c2db
hexd2db15263

56601170531 has 2 divisors, whose sum is σ = 56601170532. Its totient is φ = 56601170530.

The previous prime is 56601170497. The next prime is 56601170533. The reversal of 56601170531 is 13507110665.

56601170531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56601170531 - 26 = 56601170467 is a prime.

It is a super-2 number, since 2×566011705312 (a number of 22 digits) contains 22 as substring.

Together with 56601170533, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 56601170491 and 56601170500.

It is not a weakly prime, because it can be changed into another prime (56601170533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28300585265 + 28300585266.

It is an arithmetic number, because the mean of its divisors is an integer number (28300585266).

Almost surely, 256601170531 is an apocalyptic number.

56601170531 is a deficient number, since it is larger than the sum of its proper divisors (1).

56601170531 is an equidigital number, since it uses as much as digits as its factorization.

56601170531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 35.

The spelling of 56601170531 in words is "fifty-six billion, six hundred one million, one hundred seventy thousand, five hundred thirty-one".