Base | Representation |
---|---|
bin | 101000110011000… |
… | …0101100000001100 |
3 | 10112101220021121020 |
4 | 1101212011200030 |
5 | 10300422013013 |
6 | 343501034140 |
7 | 45631533240 |
oct | 12146054014 |
9 | 3471807536 |
10 | 1368938508 |
11 | 642803843 |
12 | 322555950 |
13 | 18a7c45b2 |
14 | cdb48420 |
15 | 802ab623 |
hex | 5198580c |
1368938508 has 48 divisors (see below), whose sum is σ = 3653551104. Its totient is φ = 390798720.
The previous prime is 1368938503. The next prime is 1368938509. The reversal of 1368938508 is 8058398631.
It is not an unprimeable number, because it can be changed into a prime (1368938503) 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, 105328 + ... + 117608.
It is an arithmetic number, because the mean of its divisors is an integer number (76115648).
Almost surely, 21368938508 is an apocalyptic number.
It is an amenable number.
1368938508 is an abundant number, since it is smaller than the sum of its proper divisors (2284612596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1368938508 is a wasteful number, since it uses less digits than its factorization.
1368938508 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13622 (or 13620 counting only the distinct ones).
The product of its (nonzero) digits is 1244160, while the sum is 51.
The square root of 1368938508 is about 36999.1690176955. The cubic root of 1368938508 is about 1110.3536216068.
The spelling of 1368938508 in words is "one billion, three hundred sixty-eight million, nine hundred thirty-eight thousand, five hundred eight".
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