Base | Representation |
---|---|
bin | 101000100100011… |
… | …1001000110000100 |
3 | 10111212111110122210 |
4 | 1101020321012010 |
5 | 10241442114013 |
6 | 343025023420 |
7 | 45506510262 |
oct | 12110710604 |
9 | 3455443583 |
10 | 1361285508 |
11 | 639456a50 |
12 | 31ba84b70 |
13 | 1890450ab |
14 | ccb15432 |
15 | 7e798cc3 |
hex | 51239184 |
1361285508 has 48 divisors (see below), whose sum is σ = 3467971584. Its totient is φ = 412167840.
The previous prime is 1361285501. The next prime is 1361285509. The reversal of 1361285508 is 8055821631.
It is not an unprimeable number, because it can be changed into a prime (1361285501) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187441 + ... + 194567.
It is an arithmetic number, because the mean of its divisors is an integer number (72249408).
Almost surely, 21361285508 is an apocalyptic number.
It is an amenable number.
1361285508 is an abundant number, since it is smaller than the sum of its proper divisors (2106686076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1361285508 is a wasteful number, since it uses less digits than its factorization.
1361285508 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8592 (or 8590 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 39.
The square root of 1361285508 is about 36895.6028274373. The cubic root of 1361285508 is about 1108.2806235296.
The spelling of 1361285508 in words is "one billion, three hundred sixty-one million, two hundred eighty-five thousand, five hundred eight".
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