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38148123364969 is a prime number
BaseRepresentation
bin10001010110010000011010…
…10101111000111001101001
312000001220222022022201220211
420223020031111320321221
520000004324040134334
6213045001141021121
711015053026262522
oct1053101525707151
9160056868281824
1038148123364969
111117858a1357a2
1243414413b47a1
13183947786cc17
1495c544075849
154624c0bc8a64
hex22b20d578e69

38148123364969 has 2 divisors, whose sum is σ = 38148123364970. Its totient is φ = 38148123364968.

The previous prime is 38148123364961. The next prime is 38148123364973. The reversal of 38148123364969 is 96946332184183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37830802955625 + 317320409344 = 6150675^2 + 563312^2 .

It is a cyclic number.

It is not a de Polignac number, because 38148123364969 - 23 = 38148123364961 is a prime.

It is a super-2 number, since 2×381481233649692 (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38148123364961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19074061682484 + 19074061682485.

It is an arithmetic number, because the mean of its divisors is an integer number (19074061682485).

Almost surely, 238148123364969 is an apocalyptic number.

It is an amenable number.

38148123364969 is a deficient number, since it is larger than the sum of its proper divisors (1).

38148123364969 is an equidigital number, since it uses as much as digits as its factorization.

38148123364969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161243136, while the sum is 67.

The spelling of 38148123364969 in words is "thirty-eight trillion, one hundred forty-eight billion, one hundred twenty-three million, three hundred sixty-four thousand, nine hundred sixty-nine".