Base | Representation |
---|---|
bin | 100000100110110000… |
… | …1010101111110010101 |
3 | 20200201211002202022022 |
4 | 1001031201111332111 |
5 | 2121400114010000 |
6 | 52100004542525 |
7 | 5026106500505 |
oct | 1011541257625 |
9 | 220654082268 |
10 | 70020063125 |
11 | 27771555871 |
12 | 116a16b1a45 |
13 | 67ab65071c |
14 | 3563559a05 |
15 | 1c4c275585 |
hex | 104d855f95 |
70020063125 has 20 divisors (see below), whose sum is σ = 87514020924. Its totient is φ = 56005200000.
The previous prime is 70020063089. The next prime is 70020063149. The reversal of 70020063125 is 52136002007.
It can be written as a sum of positive squares in 10 ways, for example, as 17688468004 + 52331595121 = 132998^2 + 228761^2 .
It is not a de Polignac number, because 70020063125 - 232 = 65725095829 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 70020063094 and 70020063103.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5281505 + ... + 5294745.
Almost surely, 270020063125 is an apocalyptic number.
It is an amenable number.
70020063125 is a deficient number, since it is larger than the sum of its proper divisors (17493957799).
70020063125 is an equidigital number, since it uses as much as digits as its factorization.
70020063125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21722 (or 21707 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 26.
The spelling of 70020063125 in words is "seventy billion, twenty million, sixty-three thousand, one hundred twenty-five".
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