Base | Representation |
---|---|
bin | 11010011000001100… |
… | …001110101000001010 |
3 | 2201002212222220110200 |
4 | 122120030032220022 |
5 | 431001211140000 |
6 | 21002251153030 |
7 | 2021605525260 |
oct | 323014165012 |
9 | 81085886420 |
10 | 28323146250 |
11 | 1101474aa93 |
12 | 55a5445776 |
13 | 2894b61049 |
14 | 152986a430 |
15 | b0b7e8500 |
hex | 69830ea0a |
28323146250 has 240 divisors, whose sum is σ = 87942199488. Its totient is φ = 6451488000.
The previous prime is 28323146239. The next prime is 28323146261. The reversal of 28323146250 is 5264132382.
28323146250 is a `hidden beast` number, since 2 + 8 + 3 + 23 + 1 + 4 + 625 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (28323146239) and next prime (28323146261).
It is a super-2 number, since 2×283231462502 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 35988357 + ... + 35989143.
Almost surely, 228323146250 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28323146250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43971099744).
28323146250 is an abundant number, since it is smaller than the sum of its proper divisors (59619053238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28323146250 is a wasteful number, since it uses less digits than its factorization.
28323146250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1279 (or 1261 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 36.
The spelling of 28323146250 in words is "twenty-eight billion, three hundred twenty-three million, one hundred forty-six thousand, two hundred fifty".
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