Base | Representation |
---|---|
bin | 110111111110001111… |
… | …1011101000110110111 |
3 | 102111020221220220020011 |
4 | 1233330133131012313 |
5 | 3432132224033421 |
6 | 131115203521051 |
7 | 11453450010265 |
oct | 1577437350667 |
9 | 374227826204 |
10 | 120200221111 |
11 | 46a81989213 |
12 | 1b366989187 |
13 | b44781b1b9 |
14 | 5b63b85435 |
15 | 31d78554e1 |
hex | 1bfc7dd1b7 |
120200221111 has 4 divisors (see below), whose sum is σ = 122757672672. Its totient is φ = 117642769552.
The previous prime is 120200221091. The next prime is 120200221157. The reversal of 120200221111 is 111122002021.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111122002021 = 3631 ⋅30603691.
It is a cyclic number.
It is not a de Polignac number, because 120200221111 - 223 = 120191832503 is a prime.
It is a super-4 number, since 4×1202002211114 (a number of 45 digits) contains 4444 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 120200221091 and 120200221100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120200221181) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1278725710 + ... + 1278725803.
It is an arithmetic number, because the mean of its divisors is an integer number (30689418168).
Almost surely, 2120200221111 is an apocalyptic number.
120200221111 is a deficient number, since it is larger than the sum of its proper divisors (2557451561).
120200221111 is an equidigital number, since it uses as much as digits as its factorization.
120200221111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2557451560.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 120200221111 its reverse (111122002021), we get a palindrome (231322223132).
The spelling of 120200221111 in words is "one hundred twenty billion, two hundred million, two hundred twenty-one thousand, one hundred eleven".
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