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243142301442 = 2340523716907
BaseRepresentation
bin1110001001110001101…
…0010001011100000010
3212020121000010200012210
43202130122101130002
512440423412121232
6303410435202550
723365202314335
oct3423432213402
9766530120183
10243142301442
1194130543887
123b157a46456
1319c0b3ba9b1
14baa7b3861c
1564d0c5d5cc
hex389c691702

243142301442 has 8 divisors (see below), whose sum is σ = 486284602896. Its totient is φ = 81047433812.

The previous prime is 243142301411. The next prime is 243142301459. The reversal of 243142301442 is 244103241342.

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

243142301442 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20261858448 + ... + 20261858459.

It is an arithmetic number, because the mean of its divisors is an integer number (60785575362).

Almost surely, 2243142301442 is an apocalyptic number.

243142301442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243142301442 is a wasteful number, since it uses less digits than its factorization.

243142301442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40523716912.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 243142301442 its reverse (244103241342), we get a palindrome (487245542784).

The spelling of 243142301442 in words is "two hundred forty-three billion, one hundred forty-two million, three hundred one thousand, four hundred forty-two".

Divisors: 1 2 3 6 40523716907 81047433814 121571150721 243142301442