Base | Representation |
---|---|
bin | 101111111110100100… |
… | …0111111111100101100 |
3 | 100211221102110102021221 |
4 | 1133331020333330230 |
5 | 3142001444230130 |
6 | 115155405033124 |
7 | 10305132053212 |
oct | 1377510777454 |
9 | 324842412257 |
10 | 103031242540 |
11 | 3a7714a5526 |
12 | 17b74b557a4 |
13 | 993c812695 |
14 | 4db587acb2 |
15 | 2a3040087a |
hex | 17fd23ff2c |
103031242540 has 24 divisors (see below), whose sum is σ = 216985582800. Its totient is φ = 41094406848.
The previous prime is 103031242519. The next prime is 103031242547. The reversal of 103031242540 is 45242130301.
It is not an unprimeable number, because it can be changed into a prime (103031242547) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7373482 + ... + 7387441.
It is an arithmetic number, because the mean of its divisors is an integer number (9041065950).
Almost surely, 2103031242540 is an apocalyptic number.
103031242540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
103031242540 is an abundant number, since it is smaller than the sum of its proper divisors (113954340260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103031242540 is a wasteful number, since it uses less digits than its factorization.
103031242540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14761281 (or 14761279 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 25.
Adding to 103031242540 its reverse (45242130301), we get a palindrome (148273372841).
The spelling of 103031242540 in words is "one hundred three billion, thirty-one million, two hundred forty-two thousand, five hundred forty".
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