Base | Representation |
---|---|
bin | 111100110011110… |
… | …011001111100001 |
3 | 2122002201011000210 |
4 | 330303303033201 |
5 | 4042133242233 |
6 | 245122404333 |
7 | 34165442400 |
oct | 7463631741 |
9 | 2562634023 |
10 | 1020212193 |
11 | 483979580 |
12 | 2458006a9 |
13 | 133496070 |
14 | 996cd637 |
15 | 5e875163 |
hex | 3ccf33e1 |
1020212193 has 48 divisors (see below), whose sum is σ = 1859046336. Its totient is φ = 489202560.
The previous prime is 1020212191. The next prime is 1020212203. The reversal of 1020212193 is 3912120201.
It is not a de Polignac number, because 1020212193 - 21 = 1020212191 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (1020212191) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3246 + ... + 45287.
It is an arithmetic number, because the mean of its divisors is an integer number (38730132).
Almost surely, 21020212193 is an apocalyptic number.
1020212193 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
1020212193 is a deficient number, since it is larger than the sum of its proper divisors (838834143).
1020212193 is a wasteful number, since it uses less digits than its factorization.
1020212193 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48574 (or 48567 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 21.
The square root of 1020212193 is about 31940.7606828641. The cubic root of 1020212193 is about 1006.6925080838.
Adding to 1020212193 its reverse (3912120201), we get a palindrome (4932332394).
The spelling of 1020212193 in words is "one billion, twenty million, two hundred twelve thousand, one hundred ninety-three".
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