Base | Representation |
---|---|
bin | 10010110100101111… |
… | …110110100100001100 |
3 | 1221011122000212000110 |
4 | 102310233312210030 |
5 | 312343322443312 |
6 | 13141352000020 |
7 | 1313610551202 |
oct | 226457664414 |
9 | 57148025013 |
10 | 20212312332 |
11 | 8632361463 |
12 | 3b01090010 |
13 | 1ba1683134 |
14 | d9a591072 |
15 | 7d470843c |
hex | 4b4bf690c |
20212312332 has 24 divisors (see below), whose sum is σ = 47166445872. Its totient is φ = 6736811200.
The previous prime is 20212312331. The next prime is 20212312339. The reversal of 20212312332 is 23321321202.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 20212312299 and 20212312308.
It is not an unprimeable number, because it can be changed into a prime (20212312331) 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, 66982 + ... + 211922.
It is an arithmetic number, because the mean of its divisors is an integer number (1965268578).
Almost surely, 220212312332 is an apocalyptic number.
It is an amenable number.
20212312332 is an abundant number, since it is smaller than the sum of its proper divisors (26954133540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20212312332 is a wasteful number, since it uses less digits than its factorization.
20212312332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 156569 (or 156567 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 20212312332 its reverse (23321321202), we get a palindrome (43533633534).
The spelling of 20212312332 in words is "twenty billion, two hundred twelve million, three hundred twelve thousand, three hundred thirty-two".
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