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1382117143 = 11947132679
BaseRepresentation
bin101001001100001…
…0110111100010111
310120022200211021211
41102120112330113
510312310222033
6345051322251
746151542021
oct12230267427
93508624254
101382117143
1164a195080
12326a50387
13190459bc4
14d17b9011
15815112cd
hex52616f17

1382117143 has 8 divisors (see below), whose sum is σ = 1509367680. Its totient is φ = 1255133880.

The previous prime is 1382117141. The next prime is 1382117161. The reversal of 1382117143 is 3417112831.

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

It is not a de Polignac number, because 1382117143 - 21 = 1382117141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382117141) 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, 55923 + ... + 76756.

It is an arithmetic number, because the mean of its divisors is an integer number (188670960).

Almost surely, 21382117143 is an apocalyptic number.

1382117143 is a deficient number, since it is larger than the sum of its proper divisors (127250537).

1382117143 is a wasteful number, since it uses less digits than its factorization.

1382117143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133637.

The product of its digits is 4032, while the sum is 31.

The square root of 1382117143 is about 37176.8361079853. The cubic root of 1382117143 is about 1113.9053365342.

Adding to 1382117143 its reverse (3417112831), we get a palindrome (4799229974).

The spelling of 1382117143 in words is "one billion, three hundred eighty-two million, one hundred seventeen thousand, one hundred forty-three".

Divisors: 1 11 947 10417 132679 1459469 125647013 1382117143