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390142134530141 = 7727102233749893
BaseRepresentation
bin101100010110101010000101…
…1010101110011000001011101
31220011101020001011020002221112
41120231110023111303001131
5402114042042414431031
63501432453342111405
7145114560535655210
oct13055241325630135
91804336034202845
10390142134530141
11103347393a59914
12379101ab57b565
1313990326272306
146c4ada1421777
15301875b4e562b
hex162d50b57305d

390142134530141 has 16 divisors (see below), whose sum is σ = 446494998453504. Its totient is φ = 333943849160064.

The previous prime is 390142134530081. The next prime is 390142134530189. The reversal of 390142134530141 is 141035431241093.

It is a cyclic number.

It is not a de Polignac number, because 390142134530141 - 246 = 319773390352477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390142134530191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519888791 + ... + 520638683.

It is an arithmetic number, because the mean of its divisors is an integer number (27905937403344).

Almost surely, 2390142134530141 is an apocalyptic number.

It is an amenable number.

390142134530141 is a deficient number, since it is larger than the sum of its proper divisors (56352863923363).

390142134530141 is a wasteful number, since it uses less digits than its factorization.

390142134530141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852860.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 390142134530141 in words is "three hundred ninety trillion, one hundred forty-two billion, one hundred thirty-four million, five hundred thirty thousand, one hundred forty-one".

Divisors: 1 7 727 5089 102233 715631 749893 5249251 74323391 520263737 545172211 3816205477 76663811069 536646677483 55734590647163 390142134530141