Base | Representation |
---|---|
bin | 101000110010111… |
… | …0000000010010100 |
3 | 10112101201210222122 |
4 | 1101211300002110 |
5 | 10300411204310 |
6 | 343455115112 |
7 | 45631016006 |
oct | 12145600224 |
9 | 3471653878 |
10 | 1368850580 |
11 | 642753779 |
12 | 322512a98 |
13 | 18a793576 |
14 | cdb24376 |
15 | 80290555 |
hex | 51970094 |
1368850580 has 18 divisors (see below), whose sum is σ = 2874933726. Its totient is φ = 547474048.
The previous prime is 1368850579. The next prime is 1368850621. The reversal of 1368850580 is 850588631.
It can be written as a sum of positive squares in 3 ways, for example, as 431143696 + 937706884 = 20764^2 + 30622^2 .
It is a congruent number.
It is an unprimeable number.
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 5 ways as a sum of consecutive naturals, for example, 161324 + ... + 169596.
Almost surely, 21368850580 is an apocalyptic number.
1368850580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1368850580 is an abundant number, since it is smaller than the sum of its proper divisors (1506083146).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1368850580 is an frugal number, since it uses more digits than its factorization.
1368850580 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16555 (or 8280 counting only the distinct ones).
The product of its (nonzero) digits is 230400, while the sum is 44.
The square root of 1368850580 is about 36997.9807557115. The cubic root of 1368850580 is about 1110.3298481348.
The spelling of 1368850580 in words is "one billion, three hundred sixty-eight million, eight hundred fifty thousand, five hundred eighty".
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