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2381064577 = 27782910369
BaseRepresentation
bin1000110111101100…
…0010100110000001
320010221101121112221
42031323002212001
514334023031302
61032134251041
7113001500143
oct21573024601
96127347487
102381064577
11101205a071
125654b6a81
132bc3b8c68
14188330c93
15de085937
hex8dec2981

2381064577 has 8 divisors (see below), whose sum is σ = 2392773800. Its totient is φ = 2369378304.

The previous prime is 2381064571. The next prime is 2381064583. The reversal of 2381064577 is 7754601832.

It is an interprime number because it is at equal distance from previous prime (2381064571) and next prime (2381064583).

It can be written as a sum of positive squares in 4 ways, for example, as 1185921 + 2379878656 = 1089^2 + 48784^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2381064577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2381064571) 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, 224449 + ... + 234817.

It is an arithmetic number, because the mean of its divisors is an integer number (299096725).

Almost surely, 22381064577 is an apocalyptic number.

It is an amenable number.

2381064577 is a deficient number, since it is larger than the sum of its proper divisors (11709223).

2381064577 is a wasteful number, since it uses less digits than its factorization.

2381064577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11475.

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 2381064577 is about 48796.1533012593. The cubic root of 2381064577 is about 1335.3354891007.

The spelling of 2381064577 in words is "two billion, three hundred eighty-one million, sixty-four thousand, five hundred seventy-seven".

Divisors: 1 277 829 10369 229633 2872213 8595901 2381064577