Base | Representation |
---|---|
bin | 111100110011110… |
… | …011001100100111 |
3 | 2122002201010202220 |
4 | 330303303030213 |
5 | 4042133241012 |
6 | 245122403423 |
7 | 34165442013 |
oct | 7463631447 |
9 | 2562633686 |
10 | 1020212007 |
11 | 483979421 |
12 | 245800573 |
13 | 133495c59 |
14 | 996cd543 |
15 | 5e87508c |
hex | 3ccf3327 |
1020212007 has 32 divisors (see below), whose sum is σ = 1469638080. Its totient is φ = 627179520.
The previous prime is 1020211991. The next prime is 1020212029. The reversal of 1020212007 is 7002120201.
It is not a de Polignac number, because 1020212007 - 24 = 1020211991 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1020212047) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1097719 + ... + 1098647.
It is an arithmetic number, because the mean of its divisors is an integer number (45926190).
Almost surely, 21020212007 is an apocalyptic number.
1020212007 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
1020212007 is a deficient number, since it is larger than the sum of its proper divisors (449426073).
1020212007 is a wasteful number, since it uses less digits than its factorization.
1020212007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1363.
The product of its (nonzero) digits is 56, while the sum is 15.
The square root of 1020212007 is about 31940.7577712239. The cubic root of 1020212007 is about 1006.6924469054.
Adding to 1020212007 its reverse (7002120201), we get a palindrome (8022332208).
The spelling of 1020212007 in words is "one billion, twenty million, two hundred twelve thousand, seven".
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