Base | Representation |
---|---|
bin | 111100100000000… |
… | …100110110001100 |
3 | 2121201222110001200 |
4 | 330200010312030 |
5 | 4034322311140 |
6 | 244415505500 |
7 | 34103465301 |
oct | 7440046614 |
9 | 2551873050 |
10 | 1015041420 |
11 | 480a67708 |
12 | 243b28290 |
13 | 1323a5633 |
14 | 98b450a8 |
15 | 5e1a3030 |
hex | 3c804d8c |
1015041420 has 72 divisors (see below), whose sum is σ = 3081558480. Its totient is φ = 270449280.
The previous prime is 1015041409. The next prime is 1015041473. The reversal of 1015041420 is 241405101.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 1015041393 and 1015041402.
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, 398511 + ... + 401049.
Almost surely, 21015041420 is an apocalyptic number.
1015041420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1015041420 is an abundant number, since it is smaller than the sum of its proper divisors (2066517060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1015041420 is a wasteful number, since it uses less digits than its factorization.
1015041420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4775 (or 4770 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 18.
The square root of 1015041420 is about 31859.7146879880. The cubic root of 1015041420 is about 1004.9888763898.
Adding to 1015041420 its reverse (241405101), we get a palindrome (1256446521).
The spelling of 1015041420 in words is "one billion, fifteen million, forty-one thousand, four hundred twenty".
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