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38378113347 = 3721092395189
BaseRepresentation
bin100011101111100000…
…111000100101000011
310200001122012011021110
4203233200320211003
51112044244111342
625344120054403
72526021403200
oct435740704503
9120048164243
1038378113347
1115304498652
127530904403
133808055712
141c0101aca7
15ee9412c9c
hex8ef838943

38378113347 has 24 divisors (see below), whose sum is σ = 60071365200. Its totient is φ = 21729145536.

The previous prime is 38378113313. The next prime is 38378113369. The reversal of 38378113347 is 74331187383.

It is a happy number.

It is not a de Polignac number, because 38378113347 - 219 = 38377589059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38378113296 and 38378113305.

It is not an unprimeable number, because it can be changed into a prime (38378113847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1181572 + ... + 1213617.

It is an arithmetic number, because the mean of its divisors is an integer number (2502973550).

Almost surely, 238378113347 is an apocalyptic number.

38378113347 is a deficient number, since it is larger than the sum of its proper divisors (21693251853).

38378113347 is a wasteful number, since it uses less digits than its factorization.

38378113347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395315 (or 2395308 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 48.

The spelling of 38378113347 in words is "thirty-eight billion, three hundred seventy-eight million, one hundred thirteen thousand, three hundred forty-seven".

Divisors: 1 3 7 21 49 109 147 327 763 2289 5341 16023 2395189 7185567 16766323 50298969 117364261 261075601 352092783 783226803 1827529207 5482587621 12792704449 38378113347