Base | Representation |
---|---|
bin | 101001111010111110… |
… | …1010111110110111110 |
3 | 22121101001112010212210 |
4 | 1103311331113312332 |
5 | 2433333104233400 |
6 | 105205102241250 |
7 | 6334632055560 |
oct | 1236575276676 |
9 | 277331463783 |
10 | 90025852350 |
11 | 351a8279375 |
12 | 15545586226 |
13 | 86492a4425 |
14 | 450050b330 |
15 | 251d786950 |
hex | 14f5f57dbe |
90025852350 has 96 divisors (see below), whose sum is σ = 255855338496. Its totient is φ = 20521180800.
The previous prime is 90025852327. The next prime is 90025852351. The reversal of 90025852350 is 5325852009.
It is a junction number, because it is equal to n+sod(n) for n = 90025852299 and 90025852308.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90025852351) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 268540 + ... + 502160.
It is an arithmetic number, because the mean of its divisors is an integer number (2665159776).
Almost surely, 290025852350 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 90025852350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127927669248).
90025852350 is an abundant number, since it is smaller than the sum of its proper divisors (165829486146).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90025852350 is a wasteful number, since it uses less digits than its factorization.
90025852350 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 234010 (or 234005 counting only the distinct ones).
The product of its (nonzero) digits is 108000, while the sum is 39.
The spelling of 90025852350 in words is "ninety billion, twenty-five million, eight hundred fifty-two thousand, three hundred fifty".
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