Base | Representation |
---|---|
bin | 11000011100001001… |
… | …10001010000000110 |
3 | 1020212102112112211102 |
4 | 30032010301100012 |
5 | 203332441030342 |
6 | 10005553140102 |
7 | 643102641113 |
oct | 141604612006 |
9 | 36772475742 |
10 | 13121033222 |
11 | 5623532510 |
12 | 266225a632 |
13 | 131149acab |
14 | 8c687390a |
15 | 51bdad832 |
hex | 30e131406 |
13121033222 has 16 divisors (see below), whose sum is σ = 21567071232. Its totient is φ = 5937358920.
The previous prime is 13121033221. The next prime is 13121033231. The reversal of 13121033222 is 22233012131.
It is a junction number, because it is equal to n+sod(n) for n = 13121033194 and 13121033203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13121033221) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1332338 + ... + 1342149.
It is an arithmetic number, because the mean of its divisors is an integer number (1347941952).
Almost surely, 213121033222 is an apocalyptic number.
13121033222 is a deficient number, since it is larger than the sum of its proper divisors (8446038010).
13121033222 is a wasteful number, since it uses less digits than its factorization.
13121033222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2674723.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 13121033222 its reverse (22233012131), we get a palindrome (35354045353).
The spelling of 13121033222 in words is "thirteen billion, one hundred twenty-one million, thirty-three thousand, two hundred twenty-two".
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