Base | Representation |
---|---|
bin | 11000011100010001… |
… | …11010110101000110 |
3 | 1020212111120211000121 |
4 | 30032020322311012 |
5 | 203333230333110 |
6 | 10010032332154 |
7 | 643115121424 |
oct | 141610726506 |
9 | 36774524017 |
10 | 13122121030 |
11 | 5624105827 |
12 | 26626a405a |
13 | 131178c175 |
14 | 8c6a78114 |
15 | 51c025cda |
hex | 30e23ad46 |
13122121030 has 16 divisors (see below), whose sum is σ = 23764727664. Its totient is φ = 5216646240.
The previous prime is 13122121027. The next prime is 13122121039. The reversal of 13122121030 is 3012122131.
It is a junction number, because it is equal to n+sod(n) for n = 13122120995 and 13122121013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13122121039) 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, 4023561 + ... + 4026820.
It is an arithmetic number, because the mean of its divisors is an integer number (1485295479).
Almost surely, 213122121030 is an apocalyptic number.
13122121030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13122121030 is a deficient number, since it is larger than the sum of its proper divisors (10642606634).
13122121030 is a wasteful number, since it uses less digits than its factorization.
13122121030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8050551.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 13122121030 its reverse (3012122131), we get a palindrome (16134243161).
It can be divided in two parts, 131221 and 21030, that added together give a palindrome (152251).
The spelling of 13122121030 in words is "thirteen billion, one hundred twenty-two million, one hundred twenty-one thousand, thirty".
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