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38478517206 = 236413086201
BaseRepresentation
bin100011110101011111…
…111001001111010110
310200022122010012110220
4203311133321033112
51112301000022311
625402104055210
72531350666623
oct436537711726
9120278105426
1038478517206
1115356135548
12755a464506
133822aaac9c
141c104b534a
151003147206
hex8f57f93d6

38478517206 has 8 divisors (see below), whose sum is σ = 76957034424. Its totient is φ = 12826172400.

The previous prime is 38478517199. The next prime is 38478517271. The reversal of 38478517206 is 60271587483.

It is a sphenic number, since it is the product of 3 distinct primes.

38478517206 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3206543095 + ... + 3206543106.

It is an arithmetic number, because the mean of its divisors is an integer number (9619629303).

Almost surely, 238478517206 is an apocalyptic number.

38478517206 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38478517206 is a wasteful number, since it uses less digits than its factorization.

38478517206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6413086206.

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 38478517206 in words is "thirty-eight billion, four hundred seventy-eight million, five hundred seventeen thousand, two hundred six".

Divisors: 1 2 3 6 6413086201 12826172402 19239258603 38478517206