Base | Representation |
---|---|
bin | 110111111110111001… |
… | …0100101001011001101 |
3 | 102111022110220222212011 |
4 | 1233331302211023031 |
5 | 3432203313341414 |
6 | 131121302541221 |
7 | 11454133146013 |
oct | 1577562451315 |
9 | 374273828764 |
10 | 120222012109 |
11 | 46a93212101 |
12 | 1b372137811 |
13 | b44c1aa894 |
14 | 5b66a188b3 |
15 | 31d970bdc4 |
hex | 1bfdca52cd |
120222012109 has 4 divisors (see below), whose sum is σ = 120370618620. Its totient is φ = 120073405600.
The previous prime is 120222012083. The next prime is 120222012179. The reversal of 120222012109 is 901210222021.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 54252658084 + 65969354025 = 232922^2 + 256845^2 .
It is a cyclic number.
It is not a de Polignac number, because 120222012109 - 27 = 120222011981 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 120222012109.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120222012179) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74302042 + ... + 74303659.
It is an arithmetic number, because the mean of its divisors is an integer number (30092654655).
Almost surely, 2120222012109 is an apocalyptic number.
It is an amenable number.
120222012109 is a deficient number, since it is larger than the sum of its proper divisors (148606511).
120222012109 is an equidigital number, since it uses as much as digits as its factorization.
120222012109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 148606510.
The product of its (nonzero) digits is 288, while the sum is 22.
The spelling of 120222012109 in words is "one hundred twenty billion, two hundred twenty-two million, twelve thousand, one hundred nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •