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137378065471 is a prime number
BaseRepresentation
bin111111111110001011…
…1101110110000111111
3111010121010001210201221
41333330113232300333
54222322241043341
6143035520414211
712632233201213
oct1777427566077
9433533053657
10137378065471
11532973779a9
122275b777367
13cc5460c24a
14691331a943
15389095bed1
hex1ffc5eec3f

137378065471 has 2 divisors, whose sum is σ = 137378065472. Its totient is φ = 137378065470.

The previous prime is 137378065403. The next prime is 137378065523. The reversal of 137378065471 is 174560873731.

It is an a-pointer prime, because the next prime (137378065523) can be obtained adding 137378065471 to its sum of digits (52).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137378065471 - 219 = 137377541183 is a prime.

It is a super-3 number, since 3×1373780654713 (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137378065571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68689032735 + 68689032736.

It is an arithmetic number, because the mean of its divisors is an integer number (68689032736).

Almost surely, 2137378065471 is an apocalyptic number.

137378065471 is a deficient number, since it is larger than the sum of its proper divisors (1).

137378065471 is an equidigital number, since it uses as much as digits as its factorization.

137378065471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2963520, while the sum is 52.

The spelling of 137378065471 in words is "one hundred thirty-seven billion, three hundred seventy-eight million, sixty-five thousand, four hundred seventy-one".