Base | Representation |
---|---|
bin | 101001001001010… |
… | …0100111111001000 |
3 | 10120012211211122000 |
4 | 1102102210333020 |
5 | 10311413224200 |
6 | 344555031000 |
7 | 46132631064 |
oct | 12222447710 |
9 | 3505754560 |
10 | 1380601800 |
11 | 64934a626 |
12 | 32643b460 |
13 | 190049256 |
14 | d1502aa4 |
15 | 81312300 |
hex | 524a4fc8 |
1380601800 has 96 divisors (see below), whose sum is σ = 4755424800. Its totient is φ = 368159040.
The previous prime is 1380601787. The next prime is 1380601819. The reversal of 1380601800 is 81060831.
It is a super-2 number, since 2×13806018002 = 3812122660326480000, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122434 + ... + 133233.
It is an arithmetic number, because the mean of its divisors is an integer number (49535675).
Almost surely, 21380601800 is an apocalyptic number.
1380601800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1380601800 is an abundant number, since it is smaller than the sum of its proper divisors (3374823000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1380601800 is a wasteful number, since it uses less digits than its factorization.
1380601800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 255692 (or 255677 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 27.
The square root of 1380601800 is about 37156.4503148511. The cubic root of 1380601800 is about 1113.4980951452.
The spelling of 1380601800 in words is "one billion, three hundred eighty million, six hundred one thousand, eight hundred".
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