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214161105643 = 474556619269
BaseRepresentation
bin1100011101110011111…
…1110010001011101011
3202110210020220101110121
43013130333302023223
512002100220340033
6242214555424111
721321053235202
oct3073477621353
9673706811417
10214161105643
11829093a74a1
123560a155037
1317270117b24
14a518b34239
1558867cc62d
hex31dcff22eb

214161105643 has 4 divisors (see below), whose sum is σ = 218717724960. Its totient is φ = 209604486328.

The previous prime is 214161105589. The next prime is 214161105659. The reversal of 214161105643 is 346501161412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 214161105643 - 229 = 213624234731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214161105599 and 214161105608.

It is not an unprimeable number, because it can be changed into a prime (214161105043) 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, 2278309588 + ... + 2278309681.

It is an arithmetic number, because the mean of its divisors is an integer number (54679431240).

Almost surely, 2214161105643 is an apocalyptic number.

214161105643 is a deficient number, since it is larger than the sum of its proper divisors (4556619317).

214161105643 is an equidigital number, since it uses as much as digits as its factorization.

214161105643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4556619316.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 214161105643 in words is "two hundred fourteen billion, one hundred sixty-one million, one hundred five thousand, six hundred forty-three".

Divisors: 1 47 4556619269 214161105643