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38528370646 = 2313079201827
BaseRepresentation
bin100011111000011110…
…000100011111010110
310200110002221000112121
4203320132010133112
51112401230330041
625411044410154
72532524514133
oct437036043726
9120402830477
1038528370646
1115381296137
1275730a695a
13383021476c
141c16d7158a
1510076e37d1
hex8f87847d6

38528370646 has 16 divisors (see below), whose sum is σ = 59676503040. Its totient is φ = 18636612840.

The previous prime is 38528370641. The next prime is 38528370689. The reversal of 38528370646 is 64607382583.

It is a junction number, because it is equal to n+sod(n) for n = 38528370593 and 38528370602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38528370641) 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 7 ways as a sum of consecutive naturals, for example, 89985 + ... + 291811.

It is an arithmetic number, because the mean of its divisors is an integer number (3729781440).

Almost surely, 238528370646 is an apocalyptic number.

38528370646 is a deficient number, since it is larger than the sum of its proper divisors (21148132394).

38528370646 is a wasteful number, since it uses less digits than its factorization.

38528370646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204939.

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 38528370646 in words is "thirty-eight billion, five hundred twenty-eight million, three hundred seventy thousand, six hundred forty-six".

Divisors: 1 2 31 62 3079 6158 95449 190898 201827 403654 6256637 12513274 621425333 1242850666 19264185323 38528370646