Base | Representation |
---|---|
bin | 10010110111010000… |
… | …100111011011011000 |
3 | 1221021120022221120222 |
4 | 102313100213123120 |
5 | 312440120034022 |
6 | 13145455135212 |
7 | 1314632013464 |
oct | 226720473330 |
9 | 57246287528 |
10 | 20254455512 |
11 | 8654126235 |
12 | 3b13214508 |
13 | 1baa31a325 |
14 | da20014a4 |
15 | 7d8280242 |
hex | 4b74276d8 |
20254455512 has 16 divisors (see below), whose sum is σ = 38027283360. Its totient is φ = 10113846624.
The previous prime is 20254455511. The next prime is 20254455521. The reversal of 20254455512 is 21555445202.
It is a super-3 number, since 3×202544555123 (a number of 32 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20254455511) 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, 1666208 + ... + 1678319.
It is an arithmetic number, because the mean of its divisors is an integer number (2376705210).
Almost surely, 220254455512 is an apocalyptic number.
It is an amenable number.
20254455512 is a deficient number, since it is larger than the sum of its proper divisors (17772827848).
20254455512 is a wasteful number, since it uses less digits than its factorization.
20254455512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3345290 (or 3345286 counting only the distinct ones).
The product of its (nonzero) digits is 80000, while the sum is 35.
The spelling of 20254455512 in words is "twenty billion, two hundred fifty-four million, four hundred fifty-five thousand, five hundred twelve".
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