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38317969349 = 1117257797311
BaseRepresentation
bin100011101011111011…
…011100111111000101
310122220110000112012222
4203223323130333011
51111433400004344
625334131022125
72524361236232
oct435373347705
9118813015188
1038317969349
1115283549570
12751473a945
1337c875805a
141bd7042789
15ee3ed25ee
hex8ebedcfc5

38317969349 has 16 divisors (see below), whose sum is σ = 44432603136. Its totient is φ = 32657817600.

The previous prime is 38317969331. The next prime is 38317969367. The reversal of 38317969349 is 94396971383.

It is an interprime number because it is at equal distance from previous prime (38317969331) and next prime (38317969367).

It is a cyclic number.

It is not a de Polignac number, because 38317969349 - 28 = 38317969093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 38317969291 and 38317969300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38317969369) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 350597 + ... + 446714.

It is an arithmetic number, because the mean of its divisors is an integer number (2777037696).

Almost surely, 238317969349 is an apocalyptic number.

It is an amenable number.

38317969349 is a deficient number, since it is larger than the sum of its proper divisors (6114633787).

38317969349 is a wasteful number, since it uses less digits than its factorization.

38317969349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797596.

The product of its digits is 26453952, while the sum is 62.

The spelling of 38317969349 in words is "thirty-eight billion, three hundred seventeen million, nine hundred sixty-nine thousand, three hundred forty-nine".

Divisors: 1 11 17 187 257 2827 4369 48059 797311 8770421 13554287 149097157 204908927 2253998197 3483451759 38317969349