Base | Representation |
---|---|
bin | 110111111011010100… |
… | …1001110101010100101 |
3 | 102111000010022211221102 |
4 | 1233312221032222211 |
5 | 3431432120320401 |
6 | 131101341125445 |
7 | 11451146114435 |
oct | 1576651165245 |
9 | 374003284842 |
10 | 120102120101 |
11 | 46a315744a7 |
12 | 1b339b59885 |
13 | b4303c0b72 |
14 | 5b54b2a2c5 |
15 | 31cde2856b |
hex | 1bf6a4eaa5 |
120102120101 has 2 divisors, whose sum is σ = 120102120102. Its totient is φ = 120102120100.
The previous prime is 120102120071. The next prime is 120102120113. The reversal of 120102120101 is 101021201021.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 97975260100 + 22126860001 = 313010^2 + 148751^2 .
It is a cyclic number.
It is not a de Polignac number, because 120102120101 - 214 = 120102103717 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (120102120121) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60051060050 + 60051060051.
It is an arithmetic number, because the mean of its divisors is an integer number (60051060051).
Almost surely, 2120102120101 is an apocalyptic number.
It is an amenable number.
120102120101 is a deficient number, since it is larger than the sum of its proper divisors (1).
120102120101 is an equidigital number, since it uses as much as digits as its factorization.
120102120101 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8, while the sum is 11.
Adding to 120102120101 its reverse (101021201021), we get a palindrome (221123321122).
It can be divided in two parts, 1 and 20102120101, that added together give a palindrome (20102120102).
The spelling of 120102120101 in words is "one hundred twenty billion, one hundred two million, one hundred twenty thousand, one hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •