Base | Representation |
---|---|
bin | 10010101011110010… |
… | …10001100010101010 |
3 | 221220002010012121100 |
4 | 21111321101202222 |
5 | 131020414341020 |
6 | 4335211222230 |
7 | 503402123655 |
oct | 112571214252 |
9 | 27802105540 |
10 | 10031012010 |
11 | 4288276878 |
12 | 1b3b447976 |
13 | c3b257c86 |
14 | 6b231689c |
15 | 3da986a90 |
hex | 255e518aa |
10031012010 has 96 divisors (see below), whose sum is σ = 27636448320. Its totient is φ = 2515613184.
The previous prime is 10031011987. The next prime is 10031012029. The reversal of 10031012010 is 1021013001.
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 = 10031011983 and 10031012001.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3577269 + ... + 3580071.
It is an arithmetic number, because the mean of its divisors is an integer number (287879670).
Almost surely, 210031012010 is an apocalyptic number.
10031012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 10031012010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13818224160).
10031012010 is an abundant number, since it is smaller than the sum of its proper divisors (17605436310).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10031012010 is a wasteful number, since it uses less digits than its factorization.
10031012010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5172 (or 5169 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 9.
Adding to 10031012010 its reverse (1021013001), we get a palindrome (11052025011).
Subtracting from 10031012010 its reverse (1021013001), we obtain a palindrome (9009999009).
The spelling of 10031012010 in words is "ten billion, thirty-one million, twelve thousand, ten".
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