Base | Representation |
---|---|
bin | 11011111100110111… |
… | …011111111110011110 |
3 | 2212110121021021212011 |
4 | 123330313133332132 |
5 | 442431111223402 |
6 | 21442025501434 |
7 | 2111505404506 |
oct | 337467377636 |
9 | 85417237764 |
10 | 30012211102 |
11 | 11801124455 |
12 | 599704187a |
13 | 2aa3a7c1c3 |
14 | 1649d06a06 |
15 | ba9c3bed7 |
hex | 6fcddff9e |
30012211102 has 64 divisors (see below), whose sum is σ = 50052556800. Its totient is φ = 13440435840.
The previous prime is 30012211091. The next prime is 30012211123. The reversal of 30012211102 is 20111221003.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16793853 + ... + 16795639.
It is an arithmetic number, because the mean of its divisors is an integer number (782071200).
Almost surely, 230012211102 is an apocalyptic number.
30012211102 is a deficient number, since it is larger than the sum of its proper divisors (20040345698).
30012211102 is a wasteful number, since it uses less digits than its factorization.
30012211102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2161.
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 30012211102 its reverse (20111221003), we get a palindrome (50123432105).
Subtracting from 30012211102 its reverse (20111221003), we obtain a palindrome (9900990099).
The spelling of 30012211102 in words is "thirty billion, twelve million, two hundred eleven thousand, one hundred two".
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