Base | Representation |
---|---|
bin | 100111011111010… |
… | …0100011100000110 |
3 | 10102100021020122010 |
4 | 1032332210130012 |
5 | 10203201300110 |
6 | 335251515050 |
7 | 44556345510 |
oct | 11676443406 |
9 | 3370236563 |
10 | 1325025030 |
11 | 61aa3aa0a |
12 | 30b8b8a86 |
13 | 18168a6a4 |
14 | c7d96bb0 |
15 | 7b4d5020 |
hex | 4efa4706 |
1325025030 has 64 divisors (see below), whose sum is σ = 3643476480. Its totient is φ = 302102784.
The previous prime is 1325025029. The next prime is 1325025041. The reversal of 1325025030 is 305205231.
1325025030 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 1325024988 and 1325025006.
It is a congruent number.
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, 78177 + ... + 93603.
It is an arithmetic number, because the mean of its divisors is an integer number (56929320).
Almost surely, 21325025030 is an apocalyptic number.
1325025030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1325025030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1821738240).
1325025030 is an abundant number, since it is smaller than the sum of its proper divisors (2318451450).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1325025030 is a wasteful number, since it uses less digits than its factorization.
1325025030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15853.
The product of its (nonzero) digits is 900, while the sum is 21.
The square root of 1325025030 is about 36400.8932582705. The cubic root of 1325025030 is about 1098.3515335875.
The spelling of 1325025030 in words is "one billion, three hundred twenty-five million, twenty-five thousand, thirty".
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