Base | Representation |
---|---|
bin | 10011001101000100… |
… | …00100000101010010 |
3 | 222121112100101120000 |
4 | 21212202010011102 |
5 | 132103343441432 |
6 | 4423022030430 |
7 | 513331513623 |
oct | 114642040522 |
9 | 28545311500 |
10 | 10310140242 |
11 | 4410894a66 |
12 | 1bb8a18416 |
13 | c840288cc |
14 | 6db415a4a |
15 | 40522157c |
hex | 266884152 |
10310140242 has 80 divisors (see below), whose sum is σ = 23637398400. Its totient is φ = 3357394272.
The previous prime is 10310140237. The next prime is 10310140249. The reversal of 10310140242 is 24204101301.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (10310140249) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6067509 + ... + 6069207.
It is an arithmetic number, because the mean of its divisors is an integer number (295467480).
Almost surely, 210310140242 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10310140242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11818699200).
10310140242 is an abundant number, since it is smaller than the sum of its proper divisors (13327258158).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10310140242 is a wasteful number, since it uses less digits than its factorization.
10310140242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2557 (or 2548 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 10310140242 its reverse (24204101301), we get a palindrome (34514241543).
The spelling of 10310140242 in words is "ten billion, three hundred ten million, one hundred forty thousand, two hundred forty-two".
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