Base | Representation |
---|---|
bin | 111111111110101010… |
… | …1101100011010101111 |
3 | 111010122020122001101002 |
4 | 1333331111230122233 |
5 | 4222340420340113 |
6 | 143041300510515 |
7 | 12632521232624 |
oct | 1777525543257 |
9 | 433566561332 |
10 | 137394308783 |
11 | 532a5561826 |
12 | 227650ab43b |
13 | cc57aa8784 |
14 | 691554834b |
15 | 38920b9c58 |
hex | 1ffd56c6af |
137394308783 has 2 divisors, whose sum is σ = 137394308784. Its totient is φ = 137394308782.
The previous prime is 137394308767. The next prime is 137394308851. The reversal of 137394308783 is 387803493731.
It is a weak prime.
It is an emirp because it is prime and its reverse (387803493731) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 137394308783 - 24 = 137394308767 is a prime.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (137394308083) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68697154391 + 68697154392.
It is an arithmetic number, because the mean of its divisors is an integer number (68697154392).
Almost surely, 2137394308783 is an apocalyptic number.
137394308783 is a deficient number, since it is larger than the sum of its proper divisors (1).
137394308783 is an equidigital number, since it uses as much as digits as its factorization.
137394308783 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 9144576, while the sum is 56.
The spelling of 137394308783 in words is "one hundred thirty-seven billion, three hundred ninety-four million, three hundred eight thousand, seven hundred eighty-three".
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