Base | Representation |
---|---|
bin | 101000110010011… |
… | …1011111110010010 |
3 | 10112101022222110111 |
4 | 1101210323332102 |
5 | 10300332343310 |
6 | 343450351534 |
7 | 45626140204 |
oct | 12144737622 |
9 | 3471288414 |
10 | 1368637330 |
11 | 642618535 |
12 | 32242b5aa |
13 | 18a71a498 |
14 | cdaaa774 |
15 | 8024c28a |
hex | 5193bf92 |
1368637330 has 16 divisors (see below), whose sum is σ = 2464060824. Its totient is φ = 547340800.
The previous prime is 1368637271. The next prime is 1368637331. The reversal of 1368637330 is 337368631.
It can be written as a sum of positive squares in 4 ways, for example, as 1334660089 + 33977241 = 36533^2 + 5829^2 .
It is not an unprimeable number, because it can be changed into a prime (1368637331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49794 + ... + 72226.
Almost surely, 21368637330 is an apocalyptic number.
1368637330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1368637330 is a deficient number, since it is larger than the sum of its proper divisors (1095423494).
1368637330 is a wasteful number, since it uses less digits than its factorization.
1368637330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28541.
The product of its (nonzero) digits is 163296, while the sum is 40.
The square root of 1368637330 is about 36995.0987294263. The cubic root of 1368637330 is about 1110.2721865852.
The spelling of 1368637330 in words is "one billion, three hundred sixty-eight million, six hundred thirty-seven thousand, three hundred thirty".
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