Base | Representation |
---|---|
bin | 10110100010100100… |
… | …00010110110100111 |
3 | 1011020100100201121120 |
4 | 23101102002312213 |
5 | 144240340244030 |
6 | 5320440345023 |
7 | 605606451501 |
oct | 132122026647 |
9 | 34210321546 |
10 | 12101103015 |
11 | 514a836891 |
12 | 2418775173 |
13 | 11ab0a33b1 |
14 | 82b218d71 |
15 | 4ac592010 |
hex | 2d1482da7 |
12101103015 has 8 divisors (see below), whose sum is σ = 19361764848. Its totient is φ = 6453921600.
The previous prime is 12101102971. The next prime is 12101103031. The reversal of 12101103015 is 51030110121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12101103015 - 27 = 12101102887 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 806740201 = 12101103015 / (1 + 2 + 1 + 0 + 1 + 1 + 0 + 3 + 0 + 1 + 5).
It is a junction number, because it is equal to n+sod(n) for n = 12101102985 and 12101103003.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403370086 + ... + 403370115.
It is an arithmetic number, because the mean of its divisors is an integer number (2420220606).
Almost surely, 212101103015 is an apocalyptic number.
12101103015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12101103015 is a deficient number, since it is larger than the sum of its proper divisors (7260661833).
12101103015 is an equidigital number, since it uses as much as digits as its factorization.
12101103015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 806740209.
The product of its (nonzero) digits is 30, while the sum is 15.
Adding to 12101103015 its reverse (51030110121), we get a palindrome (63131213136).
The spelling of 12101103015 in words is "twelve billion, one hundred one million, one hundred three thousand, fifteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •