Base | Representation |
---|---|
bin | 10010101110101101… |
… | …101110110110000000 |
3 | 1220220120120101100202 |
4 | 102232231232312000 |
5 | 312141414434440 |
6 | 13123334304332 |
7 | 1311241320356 |
oct | 225655566600 |
9 | 56816511322 |
10 | 20111093120 |
11 | 8590207a18 |
12 | 3a931b80a8 |
13 | 1b86703701 |
14 | d8ad637d6 |
15 | 7ca8b2615 |
hex | 4aeb6ed80 |
20111093120 has 64 divisors (see below), whose sum is σ = 49196244240. Its totient is φ = 7857346560.
The previous prime is 20111093117. The next prime is 20111093161. The reversal of 20111093120 is 2139011102.
It is a tau number, because it is divible by the number of its divisors (64).
It is a super-2 number, since 2×201110931202 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 20111093092 and 20111093101.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337871 + ... + 392910.
Almost surely, 220111093120 is an apocalyptic number.
20111093120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20111093120 is an abundant number, since it is smaller than the sum of its proper divisors (29085151120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20111093120 is an equidigital number, since it uses as much as digits as its factorization.
20111093120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 730843 (or 730831 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 20.
The spelling of 20111093120 in words is "twenty billion, one hundred eleven million, ninety-three thousand, one hundred twenty".
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