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38674898987 is a prime number
BaseRepresentation
bin100100000001001101…
…000010000000101011
310200211022122102122012
4210001031002000223
51113201233231422
625433401150135
72536254134354
oct440115020053
9120738572565
1038674898987
1115446a7703a
1275b418b34b
13385469941a
141c2c5d4d2b
1510154d94e2
hex90134202b

38674898987 has 2 divisors, whose sum is σ = 38674898988. Its totient is φ = 38674898986.

The previous prime is 38674898971. The next prime is 38674899007. The reversal of 38674898987 is 78989847683.

It is a weak prime.

It is an emirp because it is prime and its reverse (78989847683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38674898987 - 24 = 38674898971 is a prime.

It is not a weakly prime, because it can be changed into another prime (38674898947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19337449493 + 19337449494.

It is an arithmetic number, because the mean of its divisors is an integer number (19337449494).

Almost surely, 238674898987 is an apocalyptic number.

38674898987 is a deficient number, since it is larger than the sum of its proper divisors (1).

38674898987 is an equidigital number, since it uses as much as digits as its factorization.

38674898987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1170505728, while the sum is 77.

The spelling of 38674898987 in words is "thirty-eight billion, six hundred seventy-four million, eight hundred ninety-eight thousand, nine hundred eighty-seven".