Base | Representation |
---|---|
bin | 10001110001001001110… |
… | …111100000110011010110 |
3 | 11022201122021201202021201 |
4 | 101301021313200303112 |
5 | 130001112030013420 |
6 | 2332531345503114 |
7 | 154133523523414 |
oct | 21611167406326 |
9 | 4281567652251 |
10 | 1221010001110 |
11 | 43091134a979 |
12 | 178781941a9a |
13 | 8b1aa2c1a23 |
14 | 43150a022b4 |
15 | 21b6446110a |
hex | 11c49de0cd6 |
1221010001110 has 8 divisors (see below), whose sum is σ = 2197818002016. Its totient is φ = 488404000440.
The previous prime is 1221010001093. The next prime is 1221010001131. The reversal of 1221010001110 is 111000101221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 122101000111 = 1221010001110 / (1 + 2 + 2 + 1 + 0 + 1 + 0 + 0 + 0 + 1 + 1 + 1 + 0).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61050500046 + ... + 61050500065.
It is an arithmetic number, because the mean of its divisors is an integer number (274727250252).
Almost surely, 21221010001110 is an apocalyptic number.
1221010001110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1221010001110 is a deficient number, since it is larger than the sum of its proper divisors (976808000906).
1221010001110 is a wasteful number, since it uses less digits than its factorization.
1221010001110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122101000118.
The product of its (nonzero) digits is 4, while the sum is 10.
Adding to 1221010001110 its reverse (111000101221), we get a palindrome (1332010102331).
The spelling of 1221010001110 in words is "one trillion, two hundred twenty-one billion, ten million, one thousand, one hundred ten".
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