Base | Representation |
---|---|
bin | 11110000000110001111… |
… | …01111001101000111101 |
3 | 10122120201212111002012220 |
4 | 33000120331321220331 |
5 | 113343410010443401 |
6 | 2105422023115553 |
7 | 134334241065546 |
oct | 17003075715075 |
9 | 3576655432186 |
10 | 1031211031101 |
11 | 36837481a579 |
12 | 147a325a2bb9 |
13 | 76320518094 |
14 | 37ca76534cd |
15 | 1bc56859336 |
hex | f018f79a3d |
1031211031101 has 8 divisors (see below), whose sum is σ = 1419301204224. Its totient is φ = 665297439360.
The previous prime is 1031211031093. The next prime is 1031211031121. The reversal of 1031211031101 is 1011301121301.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1031211031101 - 23 = 1031211031093 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1031211031121) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5544145236 + ... + 5544145421.
It is an arithmetic number, because the mean of its divisors is an integer number (177412650528).
Almost surely, 21031211031101 is an apocalyptic number.
It is an amenable number.
1031211031101 is a deficient number, since it is larger than the sum of its proper divisors (388090173123).
1031211031101 is a wasteful number, since it uses less digits than its factorization.
1031211031101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11088290691.
The product of its (nonzero) digits is 18, while the sum is 15.
Adding to 1031211031101 its reverse (1011301121301), we get a palindrome (2042512152402).
The spelling of 1031211031101 in words is "one trillion, thirty-one billion, two hundred eleven million, thirty-one thousand, one hundred one".
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