Base | Representation |
---|---|
bin | 11010111111111001… |
… | …110110011101011110 |
3 | 2202211022200222112121 |
4 | 122333321312131132 |
5 | 433332242323220 |
6 | 21152331453154 |
7 | 2044245660430 |
oct | 327771663536 |
9 | 82738628477 |
10 | 28989417310 |
11 | 11326852327 |
12 | 57505b71ba |
13 | 296cbc1089 |
14 | 1590144650 |
15 | b4a056eaa |
hex | 6bfe7675e |
28989417310 has 32 divisors (see below), whose sum is σ = 60305446080. Its totient is φ = 9827549952.
The previous prime is 28989417293. The next prime is 28989417337. The reversal of 28989417310 is 1371498982.
It is a super-2 number, since 2×289894173102 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2320369 + ... + 2332828.
It is an arithmetic number, because the mean of its divisors is an integer number (1884545190).
Almost surely, 228989417310 is an apocalyptic number.
28989417310 is an abundant number, since it is smaller than the sum of its proper divisors (31316028770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28989417310 is a wasteful number, since it uses less digits than its factorization.
28989417310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4653300.
The product of its (nonzero) digits is 870912, while the sum is 52.
The spelling of 28989417310 in words is "twenty-eight billion, nine hundred eighty-nine million, four hundred seventeen thousand, three hundred ten".
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