Base | Representation |
---|---|
bin | 10010000101101111111… |
… | …111001100010110010000 |
3 | 11101211201110211212012010 |
4 | 102011233333030112100 |
5 | 130331404320311133 |
6 | 2351030005502520 |
7 | 155545531633341 |
oct | 22055777142620 |
9 | 4354643755163 |
10 | 1243124385168 |
11 | 43a22a341a36 |
12 | 180b13a11a40 |
13 | 902c2a52693 |
14 | 4424ba3a0c8 |
15 | 2250ab36263 |
hex | 1216ffcc590 |
1243124385168 has 40 divisors (see below), whose sum is σ = 3211601560416. Its totient is φ = 414349388800.
The previous prime is 1243124385149. The next prime is 1243124385179. The reversal of 1243124385168 is 8615834213421.
It is a Harshad number since it is a multiple of its sum of digits (48).
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, 5383 + ... + 1576793.
Almost surely, 21243124385168 is an apocalyptic number.
It is an amenable number.
1243124385168 is an abundant number, since it is smaller than the sum of its proper divisors (1968477175248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1243124385168 is a wasteful number, since it uses less digits than its factorization.
1243124385168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1587903 (or 1587897 counting only the distinct ones).
The product of its digits is 1105920, while the sum is 48.
Adding to 1243124385168 its reverse (8615834213421), we get a palindrome (9858958598589).
The spelling of 1243124385168 in words is "one trillion, two hundred forty-three billion, one hundred twenty-four million, three hundred eighty-five thousand, one hundred sixty-eight".
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