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38782086420239 is a prime number
BaseRepresentation
bin10001101000101101010000…
…11111000001011100001111
312002022112100021122202120222
420310112220133001130033
520040401203110421424
6214252124453301555
711111625153321431
oct1064265037013417
9162275307582528
1038782086420239
11113a2432812408
12442428a3348bb
13188419a949c26
149810c4c1c651
15473c27548e5e
hex2345a87c170f

38782086420239 has 2 divisors, whose sum is σ = 38782086420240. Its totient is φ = 38782086420238.

The previous prime is 38782086420221. The next prime is 38782086420251. The reversal of 38782086420239 is 93202468028783.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (93202468028783) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38782086420239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38782086420839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19391043210119 + 19391043210120.

It is an arithmetic number, because the mean of its divisors is an integer number (19391043210120).

Almost surely, 238782086420239 is an apocalyptic number.

38782086420239 is a deficient number, since it is larger than the sum of its proper divisors (1).

38782086420239 is an equidigital number, since it uses as much as digits as its factorization.

38782086420239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55738368, while the sum is 62.

The spelling of 38782086420239 in words is "thirty-eight trillion, seven hundred eighty-two billion, eighty-six million, four hundred twenty thousand, two hundred thirty-nine".