Base | Representation |
---|---|
bin | 111101011101110… |
… | …001010000101000 |
3 | 2122212102002211120 |
4 | 331131301100220 |
5 | 4102442322440 |
6 | 250154255240 |
7 | 34361114106 |
oct | 7535612050 |
9 | 2585362746 |
10 | 1031214120 |
11 | 48a103482 |
12 | 249427520 |
13 | 135848991 |
14 | 9ad54c76 |
15 | 607e9dd0 |
hex | 3d771428 |
1031214120 has 64 divisors (see below), whose sum is σ = 3122064000. Its totient is φ = 272464128.
The previous prime is 1031214109. The next prime is 1031214139. The reversal of 1031214120 is 214121301.
1031214120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×10312141202 = 2126805122574748800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 1031214120.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26340 + ... + 52499.
It is an arithmetic number, because the mean of its divisors is an integer number (48782250).
Almost surely, 21031214120 is an apocalyptic number.
1031214120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1031214120 is an abundant number, since it is smaller than the sum of its proper divisors (2090849880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1031214120 is a wasteful number, since it uses less digits than its factorization.
1031214120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78962 (or 78958 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 1031214120 is about 32112.5227909612. The cubic root of 1031214120 is about 1010.2982878728.
Adding to 1031214120 its reverse (214121301), we get a palindrome (1245335421).
The spelling of 1031214120 in words is "one billion, thirty-one million, two hundred fourteen thousand, one hundred twenty".
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