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2201661673 = 16631132383
BaseRepresentation
bin1000001100111010…
…1011000011101001
312200102211000000221
42003032223003221
514002111133143
61002245130041
7105362546461
oct20316530351
95612730027
102201661673
11a2a865002
125153b9921
13291193ab3
1416c590ba1
15cd4492ed
hex833ab0e9

2201661673 has 4 divisors (see below), whose sum is σ = 2201810688. Its totient is φ = 2201512660.

The previous prime is 2201661661. The next prime is 2201661703. The reversal of 2201661673 is 3761661022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2201661673 - 217 = 2201530601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201661073) 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, 49561 + ... + 82822.

It is an arithmetic number, because the mean of its divisors is an integer number (550452672).

Almost surely, 22201661673 is an apocalyptic number.

It is an amenable number.

2201661673 is a deficient number, since it is larger than the sum of its proper divisors (149015).

2201661673 is a wasteful number, since it uses less digits than its factorization.

2201661673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149014.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 2201661673 is about 46921.8677484177. The cubic root of 2201661673 is about 1300.9188125798.

The spelling of 2201661673 in words is "two billion, two hundred one million, six hundred sixty-one thousand, six hundred seventy-three".

Divisors: 1 16631 132383 2201661673