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3888208800001 = 21155918378839
BaseRepresentation
bin111000100101001011010…
…011011110100100000001
3111202201010221211100002101
4320211023103132210001
51002201022423100001
612134115104350401
7550625303326201
oct70451323364401
914681127740071
103888208800001
111269a86558489
12529689315401
1322286c4a0096
14d62942d4401
156b21b9e6a01
hex3894b4de901

3888208800001 has 4 divisors (see below), whose sum is σ = 3888227390400. Its totient is φ = 3888190209604.

The previous prime is 3888208799971. The next prime is 3888208800043. The reversal of 3888208800001 is 1000088028883.

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 3888208800001 - 225 = 3888175245569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3888208804001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8977861 + ... + 9400978.

It is an arithmetic number, because the mean of its divisors is an integer number (972056847600).

Almost surely, 23888208800001 is an apocalyptic number.

It is an amenable number.

3888208800001 is a deficient number, since it is larger than the sum of its proper divisors (18590399).

3888208800001 is a wasteful number, since it uses less digits than its factorization.

3888208800001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18590398.

The product of its (nonzero) digits is 196608, while the sum is 46.

The spelling of 3888208800001 in words is "three trillion, eight hundred eighty-eight billion, two hundred eight million, eight hundred thousand, one".

Divisors: 1 211559 18378839 3888208800001