Base | Representation |
---|---|
bin | 1101000111111000101001… |
… | …01110110000101111000110 |
3 | 10210011211010212202211021021 |
4 | 12203330110232300233012 |
5 | 12240303130131030030 |
6 | 141213142251141354 |
7 | 6035636626514122 |
oct | 643742456605706 |
9 | 123154125684237 |
10 | 28858233064390 |
11 | 9216787261164 |
12 | 32a0b03a4485a |
13 | 13144204ca3c2 |
14 | 71aa62ba8582 |
15 | 350a0766997a |
hex | 1a3f14bb0bc6 |
28858233064390 has 32 divisors (see below), whose sum is σ = 54680053972320. Its totient is φ = 10935492159744.
The previous prime is 28858233064379. The next prime is 28858233064393. The reversal of 28858233064390 is 9346033285882.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28858233064393) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6329154 + ... + 9888106.
It is an arithmetic number, because the mean of its divisors is an integer number (1708751686635).
Almost surely, 228858233064390 is an apocalyptic number.
28858233064390 is a deficient number, since it is larger than the sum of its proper divisors (25821820907930).
28858233064390 is a wasteful number, since it uses less digits than its factorization.
28858233064390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3601656.
The product of its (nonzero) digits is 59719680, while the sum is 61.
The spelling of 28858233064390 in words is "twenty-eight trillion, eight hundred fifty-eight billion, two hundred thirty-three million, sixty-four thousand, three hundred ninety".
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