Base | Representation |
---|---|
bin | 111100010101010… |
… | …010000100101010 |
3 | 2121112122200211201 |
4 | 330111102010222 |
5 | 4033111241020 |
6 | 244235114414 |
7 | 34040442265 |
oct | 7425220452 |
9 | 2545580751 |
10 | 1012212010 |
11 | 47a404957 |
12 | 242ba2a0a |
13 | 131924824 |
14 | 98609cdc |
15 | 5dce4a0a |
hex | 3c55212a |
1012212010 has 8 divisors (see below), whose sum is σ = 1821981636. Its totient is φ = 404884800.
The previous prime is 1012211999. The next prime is 1012212017. The reversal of 1012212010 is 102122101.
It can be written as a sum of positive squares in 2 ways, for example, as 982258281 + 29953729 = 31341^2 + 5473^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 101221201 = 1012212010 / (1 + 0 + 1 + 2 + 2 + 1 + 2 + 0 + 1 + 0).
It is not an unprimeable number, because it can be changed into a prime (1012212017) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50610591 + ... + 50610610.
Almost surely, 21012212010 is an apocalyptic number.
1012212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1012212010 is a deficient number, since it is larger than the sum of its proper divisors (809769626).
1012212010 is a wasteful number, since it uses less digits than its factorization.
1012212010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101221208.
The product of its (nonzero) digits is 8, while the sum is 10.
The square root of 1012212010 is about 31815.2795052943. The cubic root of 1012212010 is about 1004.0542111594.
Adding to 1012212010 its reverse (102122101), we get a palindrome (1114334111).
The spelling of 1012212010 in words is "one billion, twelve million, two hundred twelve thousand, ten".
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