Base | Representation |
---|---|
bin | 111100010100110… |
… | …111001110001110 |
3 | 2121112110002222101 |
4 | 330110313032032 |
5 | 4033044231110 |
6 | 244232505314 |
7 | 34036503532 |
oct | 7424671616 |
9 | 2545402871 |
10 | 1012102030 |
11 | 47a33a265 |
12 | 242b4b23a |
13 | 1318b6754 |
14 | 985bbbc2 |
15 | 5dcc213a |
hex | 3c53738e |
1012102030 has 32 divisors (see below), whose sum is σ = 1888064640. Its totient is φ = 390163200.
The previous prime is 1012102027. The next prime is 1012102031. The reversal of 1012102030 is 302012101.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a junction number, because it is equal to n+sod(n) for n = 1012101998 and 1012102016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1012102031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171387 + ... + 177193.
It is an arithmetic number, because the mean of its divisors is an integer number (59002020).
Almost surely, 21012102030 is an apocalyptic number.
1012102030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1012102030 is a deficient number, since it is larger than the sum of its proper divisors (875962610).
1012102030 is a wasteful number, since it uses less digits than its factorization.
1012102030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6444.
The product of its (nonzero) digits is 12, while the sum is 10.
The square root of 1012102030 is about 31813.5510435412. The cubic root of 1012102030 is about 1004.0178452990.
Adding to 1012102030 its reverse (302012101), we get a palindrome (1314114131).
The spelling of 1012102030 in words is "one billion, twelve million, one hundred two thousand, thirty".
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