Base | Representation |
---|---|
bin | 1100111100011101000101… |
… | …11100001010000100100010 |
3 | 10201210021101101020222012210 |
4 | 12132032202330022010202 |
5 | 12212334301334340344 |
6 | 140312510055502550 |
7 | 5665364115231633 |
oct | 636164274120442 |
9 | 121707341228183 |
10 | 28465481949474 |
11 | 9085163515489 |
12 | 3238974387a56 |
13 | 12b638b90709b |
14 | 705a4562b88a |
15 | 3456bc34ddb9 |
hex | 19e3a2f0a122 |
28465481949474 has 8 divisors (see below), whose sum is σ = 56930963898960. Its totient is φ = 9488493983156.
The previous prime is 28465481949449. The next prime is 28465481949497. The reversal of 28465481949474 is 47494918456482.
It is a sphenic number, since it is the product of 3 distinct primes.
28465481949474 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 28465481949396 and 28465481949405.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2372123495784 + ... + 2372123495795.
It is an arithmetic number, because the mean of its divisors is an integer number (7116370487370).
Almost surely, 228465481949474 is an apocalyptic number.
28465481949474 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28465481949474 is a wasteful number, since it uses less digits than its factorization.
28465481949474 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4744246991584.
The product of its digits is 2229534720, while the sum is 75.
The spelling of 28465481949474 in words is "twenty-eight trillion, four hundred sixty-five billion, four hundred eighty-one million, nine hundred forty-nine thousand, four hundred seventy-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •