Base | Representation |
---|---|
bin | 101001001010101… |
… | …1001001101100000 |
3 | 10120021020100020202 |
4 | 1102111121031200 |
5 | 10312110340000 |
6 | 345022524332 |
7 | 46142124215 |
oct | 12225311540 |
9 | 3507210222 |
10 | 1381340000 |
11 | 649804207 |
12 | 3267366a8 |
13 | 190247261 |
14 | d1655b0c |
15 | 8140add5 |
hex | 52559360 |
1381340000 has 60 divisors (see below), whose sum is σ = 3398352804. Its totient is φ = 552528000.
The previous prime is 1381339987. The next prime is 1381340057. The reversal of 1381340000 is 431831.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 14534 + ... + 54533.
Almost surely, 21381340000 is an apocalyptic number.
1381340000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1381340000 is an abundant number, since it is smaller than the sum of its proper divisors (2017012804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1381340000 is an frugal number, since it uses more digits than its factorization.
1381340000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69097 (or 69074 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 20.
The square root of 1381340000 is about 37166.3826596025. The cubic root of 1381340000 is about 1113.6965201687.
Adding to 1381340000 its reverse (431831), we get a palindrome (1381771831).
The spelling of 1381340000 in words is "one billion, three hundred eighty-one million, three hundred forty thousand".
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