Base | Representation |
---|---|
bin | 10010101110110001… |
… | …001101000011101110 |
3 | 1220220122021121220111 |
4 | 102232301031003232 |
5 | 312142133101220 |
6 | 13123410010234 |
7 | 1311252131110 |
oct | 225661150356 |
9 | 56818247814 |
10 | 20112003310 |
11 | 8590779843 |
12 | 3a9357697a |
13 | 1b86961a99 |
14 | d8b11d3b0 |
15 | 7ca9e215a |
hex | 4aec4d0ee |
20112003310 has 32 divisors (see below), whose sum is σ = 43550807040. Its totient is φ = 6532620192.
The previous prime is 20112003293. The next prime is 20112003313. The reversal of 20112003310 is 1330021102.
It is a super-2 number, since 2×201120033102 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20112003313) 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, 7559574 + ... + 7562233.
It is an arithmetic number, because the mean of its divisors is an integer number (1360962720).
Almost surely, 220112003310 is an apocalyptic number.
20112003310 is an abundant number, since it is smaller than the sum of its proper divisors (23438803730).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20112003310 is a wasteful number, since it uses less digits than its factorization.
20112003310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15121840.
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 20112003310 its reverse (1330021102), we get a palindrome (21442024412).
The spelling of 20112003310 in words is "twenty billion, one hundred twelve million, three thousand, three hundred ten".
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