Base | Representation |
---|---|
bin | 11101001000100001101… |
… | …10001001011110001101 |
3 | 10112200210002221020201201 |
4 | 32210100312021132031 |
5 | 112400032030304442 |
6 | 2043505130305501 |
7 | 132214650460414 |
oct | 16442066113615 |
9 | 3480702836651 |
10 | 1001010009997 |
11 | 3565870663a8 |
12 | 142004288291 |
13 | 735195cbcaa |
14 | 3664063c47b |
15 | 1b08a2737b7 |
hex | e910d8978d |
1001010009997 has 2 divisors, whose sum is σ = 1001010009998. Its totient is φ = 1001010009996.
The previous prime is 1001010009991. The next prime is 1001010010001. The reversal of 1001010009997 is 7999000101001.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 690197069961 + 310812940036 = 830781^2 + 557506^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1001010009997 is a prime.
It is a super-2 number, since 2×10010100099972 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1001010009991) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500505004998 + 500505004999.
It is an arithmetic number, because the mean of its divisors is an integer number (500505004999).
Almost surely, 21001010009997 is an apocalyptic number.
It is an amenable number.
1001010009997 is a deficient number, since it is larger than the sum of its proper divisors (1).
1001010009997 is an equidigital number, since it uses as much as digits as its factorization.
1001010009997 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5103, while the sum is 37.
The spelling of 1001010009997 in words is "one trillion, one billion, ten million, nine thousand, nine hundred ninety-seven".
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