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38486700389 is a prime number
BaseRepresentation
bin100011110101111111…
…000111000101100101
310200100012111221200202
4203311333013011211
51112310043403024
625402555320245
72531510361404
oct436577070545
9120305457622
1038486700389
111535a814705
127561150085
1338246b48c7
141c1160563b
151003c11bae
hex8f5fc7165

38486700389 has 2 divisors, whose sum is σ = 38486700390. Its totient is φ = 38486700388.

The previous prime is 38486700323. The next prime is 38486700403. The reversal of 38486700389 is 98300768483.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36563176225 + 1923524164 = 191215^2 + 43858^2 .

It is a cyclic number.

It is not a de Polignac number, because 38486700389 - 228 = 38218264933 is a prime.

It is a super-2 number, since 2×384867003892 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38486700089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19243350194 + 19243350195.

It is an arithmetic number, because the mean of its divisors is an integer number (19243350195).

Almost surely, 238486700389 is an apocalyptic number.

It is an amenable number.

38486700389 is a deficient number, since it is larger than the sum of its proper divisors (1).

38486700389 is an equidigital number, since it uses as much as digits as its factorization.

38486700389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 38486700389 in words is "thirty-eight billion, four hundred eighty-six million, seven hundred thousand, three hundred eighty-nine".