Base | Representation |
---|---|
bin | 111100010101010… |
… | …010000110100010 |
3 | 2121112122201000011 |
4 | 330111102012202 |
5 | 4033111242010 |
6 | 244235115134 |
7 | 34040442526 |
oct | 7425220642 |
9 | 2545581004 |
10 | 1012212130 |
11 | 47a404a56 |
12 | 242ba2aaa |
13 | 1319248b7 |
14 | 98609d86 |
15 | 5dce4a8a |
hex | 3c5521a2 |
1012212130 has 64 divisors (see below), whose sum is σ = 1968300000. Its totient is φ = 373424128.
The previous prime is 1012212121. The next prime is 1012212151. The reversal of 1012212130 is 312122101.
It can be written as a sum of positive squares in 16 ways, for example, as 20151121 + 992061009 = 4489^2 + 31497^2 .
It is a super-2 number, since 2×10122121302 = 2049146792238273800, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1012212130.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 2254146 + ... + 2254594.
Almost surely, 21012212130 is an apocalyptic number.
1012212130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1012212130 is a deficient number, since it is larger than the sum of its proper divisors (956087870).
1012212130 is a wasteful number, since it uses less digits than its factorization.
1012212130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 711.
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 1012212130 is about 31815.2813911806. The cubic root of 1012212130 is about 1004.0542508370.
Adding to 1012212130 its reverse (312122101), we get a palindrome (1324334231).
The spelling of 1012212130 in words is "one billion, twelve million, two hundred twelve thousand, one hundred thirty".
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