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56108080001 = 188303297967
BaseRepresentation
bin110100010000010011…
…010101101110000001
312100211021020210012002
4310100103111232001
51404402132030001
641435314513345
74024260545111
oct642023255601
9170737223162
1056108080001
1121882603a56
12aa5a595855
1353a234ac4c
142a03a35041
1516d5c2b46b
hexd104d5b81

56108080001 has 4 divisors (see below), whose sum is σ = 56108566272. Its totient is φ = 56107593732.

The previous prime is 56108079919. The next prime is 56108080057. The reversal of 56108080001 is 10008080165.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 56108080001 - 210 = 56108078977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56108080601) 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, 39320 + ... + 337286.

It is an arithmetic number, because the mean of its divisors is an integer number (14027141568).

Almost surely, 256108080001 is an apocalyptic number.

It is an amenable number.

56108080001 is a deficient number, since it is larger than the sum of its proper divisors (486271).

56108080001 is a wasteful number, since it uses less digits than its factorization.

56108080001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486270.

The product of its (nonzero) digits is 1920, while the sum is 29.

The spelling of 56108080001 in words is "fifty-six billion, one hundred eight million, eighty thousand, one".

Divisors: 1 188303 297967 56108080001