Base | Representation |
---|---|
bin | 101111101101000011… |
… | …0101001101100011100 |
3 | 100210102110101011120220 |
4 | 1133122012221230130 |
5 | 3134301004041130 |
6 | 115021210041340 |
7 | 10254433512132 |
oct | 1373206515434 |
9 | 323373334526 |
10 | 102443424540 |
11 | 3a49a708126 |
12 | 17a30119250 |
13 | 9877ac0892 |
14 | 4d5b785752 |
15 | 29e89dc410 |
hex | 17da1a9b1c |
102443424540 has 24 divisors (see below), whose sum is σ = 286841588880. Its totient is φ = 27318246528.
The previous prime is 102443424539. The next prime is 102443424619. The reversal of 102443424540 is 45424344201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 853695145 + ... + 853695264.
It is an arithmetic number, because the mean of its divisors is an integer number (11951732870).
Almost surely, 2102443424540 is an apocalyptic number.
102443424540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
102443424540 is an abundant number, since it is smaller than the sum of its proper divisors (184398164340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102443424540 is a wasteful number, since it uses less digits than its factorization.
102443424540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1707390421 (or 1707390419 counting only the distinct ones).
The product of its (nonzero) digits is 61440, while the sum is 33.
Adding to 102443424540 its reverse (45424344201), we get a palindrome (147867768741).
The spelling of 102443424540 in words is "one hundred two billion, four hundred forty-three million, four hundred twenty-four thousand, five hundred forty".
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