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38037808889 is a prime number
BaseRepresentation
bin100011011011001110…
…101110011011111001
310122011220211220022122
4203123032232123321
51110400134341024
625250242131025
72514420020003
oct433316563371
9118156756278
1038037808889
111514a3958a3
127456950a75
1337826b5632
141babb55373
15ec95e1d5e
hex8db3ae6f9

38037808889 has 2 divisors, whose sum is σ = 38037808890. Its totient is φ = 38037808888.

The previous prime is 38037808811. The next prime is 38037808903. The reversal of 38037808889 is 98880873083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37824415225 + 213393664 = 194485^2 + 14608^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38037808889 is a prime.

It is not a weakly prime, because it can be changed into another prime (38037805889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19018904444 + 19018904445.

It is an arithmetic number, because the mean of its divisors is an integer number (19018904445).

Almost surely, 238037808889 is an apocalyptic number.

It is an amenable number.

38037808889 is a deficient number, since it is larger than the sum of its proper divisors (1).

38037808889 is an equidigital number, since it uses as much as digits as its factorization.

38037808889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18579456, while the sum is 62.

The spelling of 38037808889 in words is "thirty-eight billion, thirty-seven million, eight hundred eight thousand, eight hundred eighty-nine".