Base | Representation |
---|---|
bin | 1111010001010… |
… | …10111111000000 |
3 | 22221001021100222 |
4 | 13220222333000 |
5 | 230243233321 |
6 | 20413402212 |
7 | 3113565125 |
oct | 750527700 |
9 | 287037328 |
10 | 128102336 |
11 | 663461aa |
12 | 36a99368 |
13 | 20702acb |
14 | 1302874c |
15 | b3a63ab |
hex | 7a2afc0 |
128102336 has 28 divisors (see below), whose sum is σ = 256684272. Its totient is φ = 63426048.
The previous prime is 128102321. The next prime is 128102339. The reversal of 128102336 is 633201821.
It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128102339) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3125 + ... + 16308.
Almost surely, 2128102336 is an apocalyptic number.
128102336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
128102336 is an abundant number, since it is smaller than the sum of its proper divisors (128581936).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128102336 is a wasteful number, since it uses less digits than its factorization.
128102336 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19548 (or 19538 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 26.
The square root of 128102336 is about 11318.2302503527. The cubic root of 128102336 is about 504.1026917648.
The spelling of 128102336 in words is "one hundred twenty-eight million, one hundred two thousand, three hundred thirty-six".
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