Base | Representation |
---|---|
bin | 10001100001011011110… |
… | …000101001011001100100 |
3 | 11021010001220122012122002 |
4 | 101201123300221121210 |
5 | 124212024330301040 |
6 | 2321100403424432 |
7 | 152665320601133 |
oct | 21413360513144 |
9 | 4233056565562 |
10 | 1204130322020 |
11 | 42473a1a216a |
12 | 175450985118 |
13 | 8971a208632 |
14 | 423cccc391a |
15 | 214c7604a15 |
hex | 1185bc29664 |
1204130322020 has 96 divisors (see below), whose sum is σ = 2596634742240. Its totient is φ = 468924825600.
The previous prime is 1204130321959. The next prime is 1204130322077. The reversal of 1204130322020 is 202230314021.
It can be written as a sum of positive squares in 16 ways, for example, as 271793310244 + 932337011776 = 521338^2 + 965576^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 1204130321983 and 1204130322001.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33996320 + ... + 34031720.
It is an arithmetic number, because the mean of its divisors is an integer number (27048278565).
Almost surely, 21204130322020 is an apocalyptic number.
1204130322020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1204130322020 is an abundant number, since it is smaller than the sum of its proper divisors (1392504420220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1204130322020 is a wasteful number, since it uses less digits than its factorization.
1204130322020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35793 (or 35791 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 1204130322020 its reverse (202230314021), we get a palindrome (1406360636041).
The spelling of 1204130322020 in words is "one trillion, two hundred four billion, one hundred thirty million, three hundred twenty-two thousand, twenty".
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