Base | Representation |
---|---|
bin | 10010111001000100… |
… | …10001010110101100 |
3 | 222011211202102222201 |
4 | 21130202101112230 |
5 | 131232430004234 |
6 | 4354231151244 |
7 | 506224111510 |
oct | 113442212654 |
9 | 28154672881 |
10 | 10142422444 |
11 | 4335151110 |
12 | 1b70815524 |
13 | c583652cb |
14 | 6c3038140 |
15 | 3e5642314 |
hex | 25c8915ac |
10142422444 has 48 divisors (see below), whose sum is σ = 22136647680. Its totient is φ = 3950213760.
The previous prime is 10142422441. The next prime is 10142422457. The reversal of 10142422444 is 44422424101.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is not an unprimeable number, because it can be changed into a prime (10142422441) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1665397 + ... + 1671475.
It is an arithmetic number, because the mean of its divisors is an integer number (461180160).
Almost surely, 210142422444 is an apocalyptic number.
10142422444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
10142422444 is an abundant number, since it is smaller than the sum of its proper divisors (11994225236).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10142422444 is a wasteful number, since it uses less digits than its factorization.
10142422444 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11518 (or 11516 counting only the distinct ones).
The product of its (nonzero) digits is 8192, while the sum is 28.
Adding to 10142422444 its reverse (44422424101), we get a palindrome (54564846545).
The spelling of 10142422444 in words is "ten billion, one hundred forty-two million, four hundred twenty-two thousand, four hundred forty-four".
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