Base | Representation |
---|---|
bin | 111101011101000… |
… | …001110111100000 |
3 | 2122212001020112221 |
4 | 331131001313200 |
5 | 4102420120000 |
6 | 250150200424 |
7 | 34356345133 |
oct | 7535016740 |
9 | 2585036487 |
10 | 1031020000 |
11 | 489a9064a |
12 | 249353114 |
13 | 1357ab50a |
14 | 9ad0421a |
15 | 607ac61a |
hex | 3d741de0 |
1031020000 has 60 divisors (see below), whose sum is σ = 2536513056. Its totient is φ = 412400000.
The previous prime is 1031019959. The next prime is 1031020027. The reversal of 1031020000 is 201301.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5776 + ... + 45775.
Almost surely, 21031020000 is an apocalyptic number.
1031020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1031020000 is an abundant number, since it is smaller than the sum of its proper divisors (1505493056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1031020000 is an frugal number, since it uses more digits than its factorization.
1031020000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51581 (or 51558 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 7.
The square root of 1031020000 is about 32109.5001518242. The cubic root of 1031020000 is about 1010.2348896554.
Adding to 1031020000 its reverse (201301), we get a palindrome (1031221301).
The spelling of 1031020000 in words is "one billion, thirty-one million, twenty thousand".
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