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2381399151 = 31746694101
BaseRepresentation
bin1000110111110001…
…0100010001101111
320010222000121111120
42031330110101233
514334114233101
61032145352023
7113004362445
oct21574242157
96128017446
102381399151
11101226847a
12565638613
132bc4a5331
141883bab95
15de0eeb36
hex8df1446f

2381399151 has 8 divisors (see below), whose sum is σ = 3361975344. Its totient is φ = 1494211200.

The previous prime is 2381399131. The next prime is 2381399159. The reversal of 2381399151 is 1519931832.

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

It is not a de Polignac number, because 2381399151 - 211 = 2381397103 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381399159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23347000 + ... + 23347101.

It is an arithmetic number, because the mean of its divisors is an integer number (420246918).

Almost surely, 22381399151 is an apocalyptic number.

2381399151 is a deficient number, since it is larger than the sum of its proper divisors (980576193).

2381399151 is a wasteful number, since it uses less digits than its factorization.

2381399151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46694121.

The product of its digits is 58320, while the sum is 42.

The square root of 2381399151 is about 48799.5814633691. The cubic root of 2381399151 is about 1335.3980308193.

The spelling of 2381399151 in words is "two billion, three hundred eighty-one million, three hundred ninety-nine thousand, one hundred fifty-one".

Divisors: 1 3 17 51 46694101 140082303 793799717 2381399151