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56600323909 = 66798474371
BaseRepresentation
bin110100101101101001…
…000110011101000101
312102002120111100212221
4310231221012131011
51411404140331114
642000221212341
74042415546413
oct645551063505
9172076440787
1056600323909
11220054530a8
12ab774010b1
13545031892c
142a4d16c2b3
151714061524
hexd2da46745

56600323909 has 4 divisors (see below), whose sum is σ = 56608804960. Its totient is φ = 56591842860.

The previous prime is 56600323907. The next prime is 56600323951. The reversal of 56600323909 is 90932300665.

56600323909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56600323909 - 21 = 56600323907 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56600323907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4230507 + ... + 4243864.

It is an arithmetic number, because the mean of its divisors is an integer number (14152201240).

Almost surely, 256600323909 is an apocalyptic number.

It is an amenable number.

56600323909 is a deficient number, since it is larger than the sum of its proper divisors (8481051).

56600323909 is an equidigital number, since it uses as much as digits as its factorization.

56600323909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8481050.

The product of its (nonzero) digits is 262440, while the sum is 43.

The spelling of 56600323909 in words is "fifty-six billion, six hundred million, three hundred twenty-three thousand, nine hundred nine".

Divisors: 1 6679 8474371 56600323909