Base | Representation |
---|---|
bin | 10001110010010100110100… |
… | …110100000101001101010111 |
3 | 101020222020201111012221201121 |
4 | 101302110310310011031113 |
5 | 40223120024102230403 |
6 | 434212043154504411 |
7 | 22322402350156141 |
oct | 2162246464051527 |
9 | 336866644187647 |
10 | 78225125430103 |
11 | 22a1a0a8a87023 |
12 | 8934678295107 |
13 | 34857a012bc22 |
14 | 154618b09dc91 |
15 | 909c35acc3bd |
hex | 472534d05357 |
78225125430103 has 8 divisors (see below), whose sum is σ = 78431651133440. Its totient is φ = 78018728529240.
The previous prime is 78225125430061. The next prime is 78225125430119. The reversal of 78225125430103 is 30103452152287.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 78225125430103 - 229 = 78224588559191 is a prime.
It is a super-2 number, since 2×782251254301032 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 78225125430103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78225125490103) 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, 30984303 + ... + 33413728.
It is an arithmetic number, because the mean of its divisors is an integer number (9803956391680).
Almost surely, 278225125430103 is an apocalyptic number.
78225125430103 is a deficient number, since it is larger than the sum of its proper divisors (206525703337).
78225125430103 is a wasteful number, since it uses less digits than its factorization.
78225125430103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64401237.
The product of its (nonzero) digits is 403200, while the sum is 43.
The spelling of 78225125430103 in words is "seventy-eight trillion, two hundred twenty-five billion, one hundred twenty-five million, four hundred thirty thousand, one hundred three".
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