Base | Representation |
---|---|
bin | 111101000110001… |
… | …000001000001010 |
3 | 2122102202020001210 |
4 | 331012020020022 |
5 | 4044401010310 |
6 | 245413353550 |
7 | 34254331542 |
oct | 7506101012 |
9 | 2572666053 |
10 | 1025016330 |
11 | 48665aa38 |
12 | 2473388b6 |
13 | 134488950 |
14 | 9a1c0322 |
15 | 5eec3820 |
hex | 3d18820a |
1025016330 has 64 divisors (see below), whose sum is σ = 2657950848. Its totient is φ = 251485440.
The previous prime is 1025016329. The next prime is 1025016331. The reversal of 1025016330 is 336105201.
It is an interprime number because it is at equal distance from previous prime (1025016329) and next prime (1025016331).
It is a junction number, because it is equal to n+sod(n) for n = 1025016297 and 1025016306.
It is not an unprimeable number, because it can be changed into a prime (1025016331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119485 + ... + 127775.
It is an arithmetic number, because the mean of its divisors is an integer number (41530482).
Almost surely, 21025016330 is an apocalyptic number.
1025016330 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 1025016330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1328975424).
1025016330 is an abundant number, since it is smaller than the sum of its proper divisors (1632934518).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1025016330 is a wasteful number, since it uses less digits than its factorization.
1025016330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8631.
The product of its (nonzero) digits is 540, while the sum is 21.
The square root of 1025016330 is about 32015.8762179016. The cubic root of 1025016330 is about 1008.2701920407.
The spelling of 1025016330 in words is "one billion, twenty-five million, sixteen thousand, three hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •