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243788302013 = 7310079331339
BaseRepresentation
bin1110001100001011101…
…0100100011010111101
3212022021000200220101212
43203002322210122331
512443234301131023
6303554513214205
723420205243044
oct3430272443275
9768230626355
10243788302013
1194432160653
123b2b8261365
1319cb21a1459
14bb2985755b
15651c815e78
hex38c2ea46bd

243788302013 has 8 divisors (see below), whose sum is σ = 247153132800. Its totient is φ = 240424154208.

The previous prime is 243788301989. The next prime is 243788302031. The reversal of 243788302013 is 310203887342.

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

It is a cyclic number.

It is not a de Polignac number, because 243788302013 - 210 = 243788300989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243788302033) 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, 570098 + ... + 901436.

It is an arithmetic number, because the mean of its divisors is an integer number (30894141600).

Almost surely, 2243788302013 is an apocalyptic number.

It is an amenable number.

243788302013 is a deficient number, since it is larger than the sum of its proper divisors (3364830787).

243788302013 is a wasteful number, since it uses less digits than its factorization.

243788302013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341491.

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 243788302013 in words is "two hundred forty-three billion, seven hundred eighty-eight million, three hundred two thousand, thirteen".

Divisors: 1 73 10079 331339 735767 24187747 3339565781 243788302013