Base | Representation |
---|---|
bin | 100000110101111… |
… | …0011011101100100 |
3 | 2211210121111120122 |
4 | 1001223303131210 |
5 | 4224103031040 |
6 | 301203421112 |
7 | 36210601610 |
oct | 10153633544 |
9 | 2753544518 |
10 | 1102002020 |
11 | 516062479 |
12 | 269084798 |
13 | 147402002 |
14 | a6500340 |
15 | 66b2e1b5 |
hex | 41af3764 |
1102002020 has 24 divisors (see below), whose sum is σ = 2644805184. Its totient is φ = 377829216.
The previous prime is 1102001983. The next prime is 1102002037. The reversal of 1102002020 is 202002011.
It is a junction number, because it is equal to n+sod(n) for n = 1102001989 and 1102002007.
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, 3935582 + ... + 3935861.
It is an arithmetic number, because the mean of its divisors is an integer number (110200216).
Almost surely, 21102002020 is an apocalyptic number.
1102002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1102002020 is an abundant number, since it is smaller than the sum of its proper divisors (1542803164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1102002020 is a wasteful number, since it uses less digits than its factorization.
1102002020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7871459 (or 7871457 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 8.
The square root of 1102002020 is about 33196.4157703810. The cubic root of 1102002020 is about 1032.9059921005.
Adding to 1102002020 its reverse (202002011), we get a palindrome (1304004031).
Subtracting from 1102002020 its reverse (202002011), we obtain a palindrome (900000009).
The spelling of 1102002020 in words is "one billion, one hundred two million, two thousand, twenty".
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