Base | Representation |
---|---|
bin | 10010101111010000… |
… | …111001101001011010 |
3 | 1220221012220202211221 |
4 | 102233100321221122 |
5 | 312201244444120 |
6 | 13124304042254 |
7 | 1311412555642 |
oct | 225720715132 |
9 | 56835822757 |
10 | 20120312410 |
11 | 8595434570 |
12 | 3a9630338a |
13 | 1b885b0b03 |
14 | d8c283522 |
15 | 7cb5d40aa |
hex | 4af439a5a |
20120312410 has 32 divisors (see below), whose sum is σ = 39526071552. Its totient is φ = 7313311680.
The previous prime is 20120312369. The next prime is 20120312419. The reversal of 20120312410 is 1421302102.
It is not an unprimeable number, because it can be changed into a prime (20120312419) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223752 + ... + 300508.
It is an arithmetic number, because the mean of its divisors is an integer number (1235189736).
Almost surely, 220120312410 is an apocalyptic number.
20120312410 is a deficient number, since it is larger than the sum of its proper divisors (19405759142).
20120312410 is a wasteful number, since it uses less digits than its factorization.
20120312410 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79158.
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 20120312410 its reverse (1421302102), we get a palindrome (21541614512).
The spelling of 20120312410 in words is "twenty billion, one hundred twenty million, three hundred twelve thousand, four hundred ten".
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