Base | Representation |
---|---|
bin | 11101101100001000011… |
… | …01010000000101110101 |
3 | 10121112010021202101012120 |
4 | 32312010031100011311 |
5 | 113203204040043240 |
6 | 2100350013510153 |
7 | 133462441053045 |
oct | 16660415200565 |
9 | 3545107671176 |
10 | 1020125315445 |
11 | 3636a61672a5 |
12 | 145859aa2359 |
13 | 7527490b912 |
14 | 3753522d725 |
15 | 1b8084d7ad0 |
hex | ed84350175 |
1020125315445 has 8 divisors (see below), whose sum is σ = 1632200504736. Its totient is φ = 544066834896.
The previous prime is 1020125315437. The next prime is 1020125315477. The reversal of 1020125315445 is 5445135210201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1020125315445 - 23 = 1020125315437 is a prime.
It is a congruent number.
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, 34004177167 + ... + 34004177196.
It is an arithmetic number, because the mean of its divisors is an integer number (204025063092).
Almost surely, 21020125315445 is an apocalyptic number.
1020125315445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1020125315445 is a deficient number, since it is larger than the sum of its proper divisors (612075189291).
1020125315445 is an equidigital number, since it uses as much as digits as its factorization.
1020125315445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68008354371.
The product of its (nonzero) digits is 24000, while the sum is 33.
The spelling of 1020125315445 in words is "one trillion, twenty billion, one hundred twenty-five million, three hundred fifteen thousand, four hundred forty-five".
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