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242751387799 = 31131379157721
BaseRepresentation
bin1110001000010100011…
…1000011100010010111
3212012120202120012111201
43202011013003202113
512434123323402144
6303303552413331
723352414515404
oct3420507034227
9765522505451
10242751387799
1193a4a914658
123b068b47247
1319b7840b14b
14ba6bc5b2ab
1564ab7921d4
hex38851c3897

242751387799 has 16 divisors (see below), whose sum is σ = 253162736640. Its totient is φ = 232510824000.

The previous prime is 242751387793. The next prime is 242751387833. The reversal of 242751387799 is 997783157242.

It is a cyclic number.

It is not a de Polignac number, because 242751387799 - 215 = 242751355031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242751387799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242751387793) 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 15 ways as a sum of consecutive naturals, for example, 1460259 + ... + 1617979.

It is an arithmetic number, because the mean of its divisors is an integer number (15822671040).

Almost surely, 2242751387799 is an apocalyptic number.

242751387799 is a deficient number, since it is larger than the sum of its proper divisors (10411348841).

242751387799 is a wasteful number, since it uses less digits than its factorization.

242751387799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158262.

The product of its digits is 53343360, while the sum is 64.

The spelling of 242751387799 in words is "two hundred forty-two billion, seven hundred fifty-one million, three hundred eighty-seven thousand, seven hundred ninety-nine".

Divisors: 1 31 131 379 4061 11749 49649 157721 1539119 4889351 20661451 59776259 640504981 1853064029 7830689929 242751387799