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2146328761 = 17557226669
BaseRepresentation
bin111111111101110…
…0110000010111001
312112120200210112211
41333323212002321
513343430010021
6552551135121
7104121331153
oct17773460271
95476623484
102146328761
11a01601625
124ba9744a1
1328288c225
141650a9ad3
15c86693e1
hex7fee60b9

2146328761 has 8 divisors (see below), whose sum is σ = 2276673480. Its totient is φ = 2016438528.

The previous prime is 2146328747. The next prime is 2146328783. The reversal of 2146328761 is 1678236412.

It can be written as a sum of positive squares in 4 ways, for example, as 400760361 + 1745568400 = 20019^2 + 41780^2 .

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 2146328761 - 27 = 2146328633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2146328791) 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, 103866 + ... + 122803.

It is an arithmetic number, because the mean of its divisors is an integer number (284584185).

Almost surely, 22146328761 is an apocalyptic number.

It is an amenable number.

2146328761 is a deficient number, since it is larger than the sum of its proper divisors (130344719).

2146328761 is a wasteful number, since it uses less digits than its factorization.

2146328761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227243.

The product of its digits is 96768, while the sum is 40.

The square root of 2146328761 is about 46328.4875751411. The cubic root of 2146328761 is about 1289.9278370385.

The spelling of 2146328761 in words is "two billion, one hundred forty-six million, three hundred twenty-eight thousand, seven hundred sixty-one".

Divisors: 1 17 557 9469 226669 3853373 126254633 2146328761