Base | Representation |
---|---|
bin | 11000011101001111… |
… | …10100111001101100 |
3 | 1020220001211110010102 |
4 | 30032213310321230 |
5 | 203342314120322 |
6 | 10010522130232 |
7 | 643244025101 |
oct | 141647647154 |
9 | 36801743112 |
10 | 13130223212 |
11 | 562873a047 |
12 | 2665350978 |
13 | 1313367c62 |
14 | 8c7b86aa8 |
15 | 51cac6792 |
hex | 30e9f4e6c |
13130223212 has 24 divisors (see below), whose sum is σ = 23135695632. Its totient is φ = 6520107200.
The previous prime is 13130223181. The next prime is 13130223229. The reversal of 13130223212 is 21232203131.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662162 + ... + 681702.
It is an arithmetic number, because the mean of its divisors is an integer number (963987318).
Almost surely, 213130223212 is an apocalyptic number.
It is an amenable number.
13130223212 is a deficient number, since it is larger than the sum of its proper divisors (10005472420).
13130223212 is a wasteful number, since it uses less digits than its factorization.
13130223212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20689 (or 20687 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 13130223212 its reverse (21232203131), we get a palindrome (34362426343).
The spelling of 13130223212 in words is "thirteen billion, one hundred thirty million, two hundred twenty-three thousand, two hundred twelve".
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