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16242230643 = 3231253918773
BaseRepresentation
bin11110010000001110…
…01100010101110011
31112220221121210202220
433020013030111303
5231231002340033
611243411212123
71113332453052
oct171007142563
945827553686
1016242230643
116985352311
1231935a7043
1316bb008482
14b011c8399
15650de2bb3
hex3c81cc573

16242230643 has 16 divisors (see below), whose sum is σ = 22600892160. Its totient is φ = 10355986784.

The previous prime is 16242230639. The next prime is 16242230657. The reversal of 16242230643 is 34603224261.

16242230643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 16242230643 - 22 = 16242230639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16242230663) 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 15 ways as a sum of consecutive naturals, for example, 855805 + ... + 874577.

It is an arithmetic number, because the mean of its divisors is an integer number (1412555760).

Almost surely, 216242230643 is an apocalyptic number.

16242230643 is a deficient number, since it is larger than the sum of its proper divisors (6358661517).

16242230643 is a wasteful number, since it uses less digits than its factorization.

16242230643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31338.

The product of its (nonzero) digits is 41472, while the sum is 33.

The spelling of 16242230643 in words is "sixteen billion, two hundred forty-two million, two hundred thirty thousand, six hundred forty-three".

Divisors: 1 3 23 69 12539 18773 37617 56319 288397 431779 865191 1295337 235394647 706183941 5414076881 16242230643