Base | Representation |
---|---|
bin | 10010000101111110001… |
… | …101111010000100001110 |
3 | 11101212100010002000120110 |
4 | 102011332031322010032 |
5 | 130332401424422340 |
6 | 2351105414500450 |
7 | 155554461112356 |
oct | 22057615720416 |
9 | 4355303060513 |
10 | 1243363123470 |
11 | 43a342083616 |
12 | 180b7b964726 |
13 | 90330351150 |
14 | 44271623b66 |
15 | 22521a93680 |
hex | 1217e37a10e |
1243363123470 has 64 divisors (see below), whose sum is σ = 3221877072960. Its totient is φ = 305271794688.
The previous prime is 1243363123459. The next prime is 1243363123487. The reversal of 1243363123470 is 743213633421.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3946119 + ... + 4249538.
It is an arithmetic number, because the mean of its divisors is an integer number (50341829265).
Almost surely, 21243363123470 is an apocalyptic number.
1243363123470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1243363123470 is an abundant number, since it is smaller than the sum of its proper divisors (1978513949490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1243363123470 is a wasteful number, since it uses less digits than its factorization.
1243363123470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8196069.
The product of its (nonzero) digits is 217728, while the sum is 39.
Adding to 1243363123470 its reverse (743213633421), we get a palindrome (1986576756891).
The spelling of 1243363123470 in words is "one trillion, two hundred forty-three billion, three hundred sixty-three million, one hundred twenty-three thousand, four hundred seventy".
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