Base | Representation |
---|---|
bin | 10110111101111001111011… |
… | …011001010110100101011001 |
3 | 111020122120100000020212122102 |
4 | 112331321323121112211121 |
5 | 101214431223421023001 |
6 | 554455510330533145 |
7 | 30163545332604020 |
oct | 2675717331264531 |
9 | 436576300225572 |
10 | 101011111111001 |
11 | 2a204631960233 |
12 | b3b47688971b5 |
13 | 44493cb370080 |
14 | 1ad2d6cbad8b7 |
15 | ba27e6721e6b |
hex | 5bde7b656959 |
101011111111001 has 48 divisors (see below), whose sum is σ = 132091220155776. Its totient is φ = 75204470145024.
The previous prime is 101011111110947. The next prime is 101011111111003. The reversal of 101011111111001 is 100111111110101.
It is a de Polignac number, because none of the positive numbers 2k-101011111111001 is a prime.
It is not an unprimeable number, because it can be changed into a prime (101011111111003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 130768025 + ... + 131538201.
It is an arithmetic number, because the mean of its divisors is an integer number (2751900419912).
Almost surely, 2101011111111001 is an apocalyptic number.
It is an amenable number.
101011111111001 is a deficient number, since it is larger than the sum of its proper divisors (31080109044775).
101011111111001 is a wasteful number, since it uses less digits than its factorization.
101011111111001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 775218 (or 775201 counting only the distinct ones).
The product of its (nonzero) digits is 1, while the sum is 11.
Adding to 101011111111001 its reverse (100111111110101), we get a palindrome (201122222221102).
The spelling of 101011111111001 in words is "one hundred one trillion, eleven billion, one hundred eleven million, one hundred eleven thousand, one".
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