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2164105433 = 7244165417
BaseRepresentation
bin1000000011111101…
…1010000011011001
312120211010221120002
42000333122003121
513413002333213
6554424142345
7104425410200
oct20077320331
95524127502
102164105433
11a10643496
125049079b5
13286474679
141675b6237
15c9ecb658
hex80fda0d9

2164105433 has 6 divisors (see below), whose sum is σ = 2517428826. Its totient is φ = 1854947472.

The previous prime is 2164105429. The next prime is 2164105439. The reversal of 2164105433 is 3345014612.

It can be written as a sum of positive squares in only one way, i.e., 1120040089 + 1044065344 = 33467^2 + 32312^2 .

It is not a de Polignac number, because 2164105433 - 22 = 2164105429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2164105396 and 2164105405.

It is not an unprimeable number, because it can be changed into a prime (2164105439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22082660 + ... + 22082757.

It is an arithmetic number, because the mean of its divisors is an integer number (419571471).

Almost surely, 22164105433 is an apocalyptic number.

It is an amenable number.

2164105433 is a deficient number, since it is larger than the sum of its proper divisors (353323393).

2164105433 is an equidigital number, since it uses as much as digits as its factorization.

2164105433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44165431 (or 44165424 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 2164105433 is about 46519.9466143288. The cubic root of 2164105433 is about 1293.4792667473.

The spelling of 2164105433 in words is "two billion, one hundred sixty-four million, one hundred five thousand, four hundred thirty-three".

Divisors: 1 7 49 44165417 309157919 2164105433