Base | Representation |
---|---|
bin | 10010101110110010… |
… | …110100000101101000 |
3 | 1220220200002001210111 |
4 | 102232302310011220 |
5 | 312142240102240 |
6 | 13123423024104 |
7 | 1311255536341 |
oct | 225662640550 |
9 | 56820061714 |
10 | 20112425320 |
11 | 8590a37909 |
12 | 3a9373b034 |
13 | 1b86a7bbb0 |
14 | d8b1cd0c8 |
15 | 7caa771ea |
hex | 4aecb4168 |
20112425320 has 32 divisors (see below), whose sum is σ = 48733954920. Its totient is φ = 7426126080.
The previous prime is 20112425293. The next prime is 20112425329. The reversal of 20112425320 is 2352421102.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 9736558276 + 10375867044 = 98674^2 + 101862^2 .
It is a junction number, because it is equal to n+sod(n) for n = 20112425291 and 20112425300.
It is not an unprimeable number, because it can be changed into a prime (20112425329) 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, 19338351 + ... + 19339390.
Almost surely, 220112425320 is an apocalyptic number.
20112425320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20112425320 is an abundant number, since it is smaller than the sum of its proper divisors (28621529600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20112425320 is a wasteful number, since it uses less digits than its factorization.
20112425320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38677765 (or 38677761 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 22.
Adding to 20112425320 its reverse (2352421102), we get a palindrome (22464846422).
The spelling of 20112425320 in words is "twenty billion, one hundred twelve million, four hundred twenty-five thousand, three hundred twenty".
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