Base | Representation |
---|---|
bin | 1101001011111110110110… |
… | …01110100000110101010111 |
3 | 10210200021111022210101000110 |
4 | 12211333123032200311113 |
5 | 12300104424032330403 |
6 | 141401542511014103 |
7 | 6052052210625063 |
oct | 645773316406527 |
9 | 123607438711013 |
10 | 28999002230103 |
11 | 9270453835944 |
12 | 330424b20a333 |
13 | 1324795537629 |
14 | 7237b8616aa3 |
15 | 3544e5b72103 |
hex | 1a5fdb3a0d57 |
28999002230103 has 32 divisors (see below), whose sum is σ = 39688910438400. Its totient is φ = 18825078555360.
The previous prime is 28999002230063. The next prime is 28999002230119. The reversal of 28999002230103 is 30103220099982.
It is a happy number.
It is not a de Polignac number, because 28999002230103 - 218 = 28999001967959 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28999002230123) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 840265618 + ... + 840300128.
It is an arithmetic number, because the mean of its divisors is an integer number (1240278451200).
Almost surely, 228999002230103 is an apocalyptic number.
28999002230103 is a deficient number, since it is larger than the sum of its proper divisors (10689908208297).
28999002230103 is a wasteful number, since it uses less digits than its factorization.
28999002230103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64707.
The product of its (nonzero) digits is 419904, while the sum is 48.
The spelling of 28999002230103 in words is "twenty-eight trillion, nine hundred ninety-nine billion, two million, two hundred thirty thousand, one hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.089 sec. • engine limits •