Base | Representation |
---|---|
bin | 101000110010110… |
… | …0110100101101100 |
3 | 10112101122211220110 |
4 | 1101211212211230 |
5 | 10300403440014 |
6 | 343454220020 |
7 | 45630465126 |
oct | 12145464554 |
9 | 3471584813 |
10 | 1368811884 |
11 | 6427276a0 |
12 | 3224b4610 |
13 | 18a77ba7b |
14 | cdb14216 |
15 | 80283d59 |
hex | 5196696c |
1368811884 has 48 divisors (see below), whose sum is σ = 3492026496. Its totient is φ = 413865600.
The previous prime is 1368811883. The next prime is 1368811891. The reversal of 1368811884 is 4881188631.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (1368811883) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48979 + ... + 71669.
It is an arithmetic number, because the mean of its divisors is an integer number (72750552).
Almost surely, 21368811884 is an apocalyptic number.
It is an amenable number.
1368811884 is an abundant number, since it is smaller than the sum of its proper divisors (2123214612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1368811884 is a wasteful number, since it uses less digits than its factorization.
1368811884 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23166 (or 23164 counting only the distinct ones).
The product of its digits is 294912, while the sum is 48.
The square root of 1368811884 is about 36997.4578045573. The cubic root of 1368811884 is about 1110.3193854081.
The spelling of 1368811884 in words is "one billion, three hundred sixty-eight million, eight hundred eleven thousand, eight hundred eighty-four".
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