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284244165149 = 7231765491709
BaseRepresentation
bin1000010001011100100…
…01011100001000011101
31000011200110112200120012
410020232101130020131
514124113001241044
6334325134533005
726351556352640
oct4105621341035
91004613480505
10284244165149
11aa60246a38a
1247108967165
1320a5b8242c9
14da867aba57
1575d934859e
hex422e45c21d

284244165149 has 8 divisors (see below), whose sum is σ = 338974408320. Its totient is φ = 233044905456.

The previous prime is 284244165143. The next prime is 284244165223. The reversal of 284244165149 is 941561442482.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 284244165149 - 216 = 284244099613 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 284244165097 and 284244165106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284244165143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882745694 + ... + 882746015.

It is an arithmetic number, because the mean of its divisors is an integer number (42371801040).

Almost surely, 2284244165149 is an apocalyptic number.

It is an amenable number.

284244165149 is a deficient number, since it is larger than the sum of its proper divisors (54730243171).

284244165149 is a wasteful number, since it uses less digits than its factorization.

284244165149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765491739.

The product of its digits is 2211840, while the sum is 50.

The spelling of 284244165149 in words is "two hundred eighty-four billion, two hundred forty-four million, one hundred sixty-five thousand, one hundred forty-nine".

Divisors: 1 7 23 161 1765491709 12358441963 40606309307 284244165149