| Base | Representation |
|---|---|
| bin | 10011001101000011… |
| … | …00010000101110100 |
| 3 | 222121112002022120100 |
| 4 | 21212201202011310 |
| 5 | 132103330013022 |
| 6 | 4423015034100 |
| 7 | 513330363663 |
| oct | 114641420564 |
| 9 | 28545068510 |
| 10 | 10310001012 |
| 11 | 44107aa3a3 |
| 12 | 1bb896b930 |
| 13 | c83caa41c |
| 14 | 6db3badda |
| 15 | 4051e51ac |
| hex | 266862174 |
10310001012 has 72 divisors (see below), whose sum is σ = 27066803400. Its totient is φ = 3306175488.
The previous prime is 10310000977. The next prime is 10310001019. The reversal of 10310001012 is 21010001301.
It can be written as a sum of positive squares in 4 ways, for example, as 63297936 + 10246703076 = 7956^2 + 101226^2 .
It is a super-2 number, since 2×103100010122 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 10310000985 and 10310001003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10310001019) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75064 + ... + 162032.
It is an arithmetic number, because the mean of its divisors is an integer number (375927825).
Almost surely, 210310001012 is an apocalyptic number.
10310001012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10310001012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13533401700).
10310001012 is an abundant number, since it is smaller than the sum of its proper divisors (16756802388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10310001012 is a wasteful number, since it uses less digits than its factorization.
10310001012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87105 (or 87100 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 9.
Adding to 10310001012 its reverse (21010001301), we get a palindrome (31320002313).
The spelling of 10310001012 in words is "ten billion, three hundred ten million, one thousand, twelve".
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