Base | Representation |
---|---|
bin | 101000010100111… |
… | …0001011110001100 |
3 | 10111022011000102012 |
4 | 1100221301132030 |
5 | 10232400042240 |
6 | 342134120352 |
7 | 45350253032 |
oct | 12051613614 |
9 | 3438130365 |
10 | 1353127820 |
11 | 634894a60 |
12 | 3191b00b8 |
13 | 187449c65 |
14 | cb9d0552 |
15 | 7dbd6b65 |
hex | 50a7178c |
1353127820 has 96 divisors (see below), whose sum is σ = 3233260800. Its totient is φ = 471161600.
The previous prime is 1353127819. The next prime is 1353127823. The reversal of 1353127820 is 287213531.
It is not an unprimeable number, because it can be changed into a prime (1353127823) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 834971 + ... + 836589.
It is an arithmetic number, because the mean of its divisors is an integer number (33679800).
Almost surely, 21353127820 is an apocalyptic number.
1353127820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1353127820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1616630400).
1353127820 is an abundant number, since it is smaller than the sum of its proper divisors (1880132980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1353127820 is a wasteful number, since it uses less digits than its factorization.
1353127820 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1799 (or 1797 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 32.
The square root of 1353127820 is about 36784.8857548858. The cubic root of 1353127820 is about 1106.0623458604.
The spelling of 1353127820 in words is "one billion, three hundred fifty-three million, one hundred twenty-seven thousand, eight hundred twenty".
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