Base | Representation |
---|---|
bin | 10110100010100100… |
… | …00111000010000010 |
3 | 1011020100101121002110 |
4 | 23101102013002002 |
5 | 144240341321010 |
6 | 5320441000150 |
7 | 605606552421 |
oct | 132122070202 |
9 | 34210347073 |
10 | 12101120130 |
11 | 514a848730 |
12 | 2418783056 |
13 | 11ab0ab118 |
14 | 82b2212b8 |
15 | 4ac597120 |
hex | 2d1487082 |
12101120130 has 32 divisors (see below), whose sum is σ = 31682933568. Its totient is φ = 2933604800.
The previous prime is 12101120123. The next prime is 12101120173. The reversal of 12101120130 is 3102110121.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18334701 + ... + 18335360.
It is an arithmetic number, because the mean of its divisors is an integer number (990091674).
Almost surely, 212101120130 is an apocalyptic number.
12101120130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12101120130 is an abundant number, since it is smaller than the sum of its proper divisors (19581813438).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12101120130 is a wasteful number, since it uses less digits than its factorization.
12101120130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36670082.
The product of its (nonzero) digits is 12, while the sum is 12.
Adding to 12101120130 its reverse (3102110121), we get a palindrome (15203230251).
It can be divided in two parts, 121011 and 20130, that added together give a palindrome (141141).
The spelling of 12101120130 in words is "twelve billion, one hundred one million, one hundred twenty thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.099 sec. • engine limits •