Base | Representation |
---|---|
bin | 111100110111111… |
… | …101000100010100 |
3 | 2122011202110121102 |
4 | 330313331010110 |
5 | 4042423113022 |
6 | 245202005232 |
7 | 34210625654 |
oct | 7467750424 |
9 | 2564673542 |
10 | 1021301012 |
11 | 484552626 |
12 | 246046818 |
13 | 133787834 |
14 | 998d4364 |
15 | 5e9dca92 |
hex | 3cdfd114 |
1021301012 has 24 divisors (see below), whose sum is σ = 1796559912. Its totient is φ = 508006400.
The previous prime is 1021301009. The next prime is 1021301051. The reversal of 1021301012 is 2101031201.
It can be written as a sum of positive squares in 4 ways, for example, as 2669956 + 1018631056 = 1634^2 + 31916^2 .
It is a super-2 number, since 2×10213010122 = 2086111514224448288, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1021300984 and 1021301002.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 1158812 + ... + 1159692.
It is an arithmetic number, because the mean of its divisors is an integer number (74856663).
Almost surely, 21021301012 is an apocalyptic number.
It is an amenable number.
1021301012 is a deficient number, since it is larger than the sum of its proper divisors (775258900).
1021301012 is a wasteful number, since it uses less digits than its factorization.
1021301012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2059 (or 2057 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 11.
The square root of 1021301012 is about 31957.8004875179. The cubic root of 1021301012 is about 1007.0505108045.
Adding to 1021301012 its reverse (2101031201), we get a palindrome (3122332213).
The spelling of 1021301012 in words is "one billion, twenty-one million, three hundred one thousand, twelve".
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