Base | Representation |
---|---|
bin | 101001001011011… |
… | …0101001111110100 |
3 | 10120021221111100222 |
4 | 1102112311033310 |
5 | 10312204420410 |
6 | 345034553512 |
7 | 46145254250 |
oct | 12226651764 |
9 | 3507844328 |
10 | 1381716980 |
11 | 649a41466 |
12 | 326898898 |
13 | 190349a17 |
14 | d1713260 |
15 | 81482955 |
hex | 525b53f4 |
1381716980 has 48 divisors (see below), whose sum is σ = 3321494400. Its totient is φ = 472963968.
The previous prime is 1381716953. The next prime is 1381716983. The reversal of 1381716980 is 896171831.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1381716983) 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 15 ways as a sum of consecutive naturals, for example, 82346 + ... + 97694.
It is an arithmetic number, because the mean of its divisors is an integer number (69197800).
Almost surely, 21381716980 is an apocalyptic number.
1381716980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1381716980 is an abundant number, since it is smaller than the sum of its proper divisors (1939777420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1381716980 is a wasteful number, since it uses less digits than its factorization.
1381716980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16008 (or 16006 counting only the distinct ones).
The product of its (nonzero) digits is 72576, while the sum is 44.
The square root of 1381716980 is about 37171.4538322084. The cubic root of 1381716980 is about 1113.7978235232.
The spelling of 1381716980 in words is "one billion, three hundred eighty-one million, seven hundred sixteen thousand, nine hundred eighty".
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