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38308222394 = 21329371373153
BaseRepresentation
bin100011101011010110…
…010001010110111010
310122212202200022220122
4203223112101112322
51111423401104034
625333142053242
72524212342401
oct435326212672
9118782608818
1038308222394
1115278aa1532
12751141a222
1337c6724720
141bd5a26638
15ee320962e
hex8eb5915ba

38308222394 has 32 divisors (see below), whose sum is σ = 65746613520. Its totient is φ = 16609646592.

The previous prime is 38308222391. The next prime is 38308222409. The reversal of 38308222394 is 49322280383.

It can be written as a sum of positive squares in 8 ways, for example, as 22125075025 + 16183147369 = 148745^2 + 127213^2 .

It is not an unprimeable number, because it can be changed into a prime (38308222391) 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 15 ways as a sum of consecutive naturals, for example, 658679 + ... + 714474.

Almost surely, 238308222394 is an apocalyptic number.

38308222394 is a deficient number, since it is larger than the sum of its proper divisors (27438391126).

38308222394 is a wasteful number, since it uses less digits than its factorization.

38308222394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373234.

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 38308222394 in words is "thirty-eight billion, three hundred eight million, two hundred twenty-two thousand, three hundred ninety-four".

Divisors: 1 2 13 26 29 37 58 74 377 481 754 962 1073 2146 13949 27898 1373153 2746306 17850989 35701978 39821437 50806661 79642874 101613322 517678681 660486593 1035357362 1320973186 1473393169 2946786338 19154111197 38308222394