Base | Representation |
---|---|
bin | 101000110101001… |
… | …1100100101000101 |
3 | 10112111001100122011 |
4 | 1101222130211011 |
5 | 10301220102410 |
6 | 343541334221 |
7 | 45644334004 |
oct | 12152344505 |
9 | 3474040564 |
10 | 1370081605 |
11 | 643414652 |
12 | 322a07371 |
13 | 18ab04999 |
14 | cdd64c3b |
15 | 8043518a |
hex | 51a9c945 |
1370081605 has 8 divisors (see below), whose sum is σ = 1647811872. Its totient is φ = 1093589328.
The previous prime is 1370081591. The next prime is 1370081633. The reversal of 1370081605 is 5061800731.
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 1370081605 - 225 = 1336527173 is a prime.
It is a Duffinian number.
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, 307059 + ... + 311488.
It is an arithmetic number, because the mean of its divisors is an integer number (205976484).
Almost surely, 21370081605 is an apocalyptic number.
It is an amenable number.
1370081605 is a deficient number, since it is larger than the sum of its proper divisors (277730267).
1370081605 is an equidigital number, since it uses as much as digits as its factorization.
1370081605 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 618995.
The product of its (nonzero) digits is 5040, while the sum is 31.
The square root of 1370081605 is about 37014.6133979541. The cubic root of 1370081605 is about 1110.6625930635.
The spelling of 1370081605 in words is "one billion, three hundred seventy million, eighty-one thousand, six hundred five".
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