Base | Representation |
---|---|
bin | 101010100101011… |
… | …0011100110010111 |
3 | 10200120201110000200 |
4 | 1111022303212113 |
5 | 10411244134101 |
6 | 353442111543 |
7 | 50260262664 |
oct | 12512634627 |
9 | 3616643020 |
10 | 1428896151 |
11 | 673635911 |
12 | 33a64b5b3 |
13 | 19a0581a7 |
14 | d7ab4a6b |
15 | 856a1986 |
hex | 552b3997 |
1428896151 has 24 divisors (see below), whose sum is σ = 2093966160. Its totient is φ = 938843136.
The previous prime is 1428896141. The next prime is 1428896167. The reversal of 1428896151 is 1516988241.
It is a happy number.
1428896151 is a `hidden beast` number, since 1 + 4 + 28 + 8 + 9 + 615 + 1 = 666.
It is not a de Polignac number, because 1428896151 - 219 = 1428371863 is a prime.
It is a super-2 number, since 2×14288961512 = 4083488420685229602, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1428896097 and 1428896106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1428896111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185560 + ... + 193106.
It is an arithmetic number, because the mean of its divisors is an integer number (87248590).
Almost surely, 21428896151 is an apocalyptic number.
1428896151 is a deficient number, since it is larger than the sum of its proper divisors (665070009).
1428896151 is a wasteful number, since it uses less digits than its factorization.
1428896151 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7855 (or 7852 counting only the distinct ones).
The product of its digits is 138240, while the sum is 45.
The square root of 1428896151 is about 37800.7427307983. The cubic root of 1428896151 is about 1126.3332081664. Note that the first 3 decimals are identical.
The spelling of 1428896151 in words is "one billion, four hundred twenty-eight million, eight hundred ninety-six thousand, one hundred fifty-one".
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