Base | Representation |
---|---|
bin | 111101000111000… |
… | …110001100101000 |
3 | 2122110020010211000 |
4 | 331013012030220 |
5 | 4044432124233 |
6 | 245423035000 |
7 | 34256441010 |
oct | 7507061450 |
9 | 2573203730 |
10 | 1025270568 |
11 | 486813a53 |
12 | 24743ba60 |
13 | 13454759a |
14 | 9a248c40 |
15 | 60023d13 |
hex | 3d1c6328 |
1025270568 has 128 divisors (see below), whose sum is σ = 3285216000. Its totient is φ = 290200320.
The previous prime is 1025270557. The next prime is 1025270569. The reversal of 1025270568 is 8650725201.
It is a happy number.
1025270568 is a `hidden beast` number, since 1 + 0 + 25 + 2 + 70 + 568 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (1025270569) 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, 161698 + ... + 167918.
It is an arithmetic number, because the mean of its divisors is an integer number (25665750).
Almost surely, 21025270568 is an apocalyptic number.
1025270568 is a gapful number since it is divisible by the number (18) 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 1025270568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1642608000).
1025270568 is an abundant number, since it is smaller than the sum of its proper divisors (2259945432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1025270568 is a wasteful number, since it uses less digits than its factorization.
1025270568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6352 (or 6342 counting only the distinct ones).
The product of its (nonzero) digits is 33600, while the sum is 36.
The square root of 1025270568 is about 32019.8464705876. The cubic root of 1025270568 is about 1008.3535466172.
Adding to 1025270568 its reverse (8650725201), we get a palindrome (9675995769).
The spelling of 1025270568 in words is "one billion, twenty-five million, two hundred seventy thousand, five hundred sixty-eight".
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