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390031323130093 = 1785227218477159
BaseRepresentation
bin101100010101110110011111…
…0011101110110100011101101
31220010222122000112000201221211
41120223230332131312203231
5402110233122210130333
63501305525525154421
7145103555532421021
oct13053547635664355
91803878015021854
10390031323130093
1110330439a8a1957
12378b2824b5ba11
1313982a46930648
146c4588c586381
153015923072ecd
hex162bb3e7768ed

390031323130093 has 4 divisors (see below), whose sum is σ = 390031543392480. Its totient is φ = 390031102867708.

The previous prime is 390031323130079. The next prime is 390031323130103.

390031323130093 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 390031323130093 - 213 = 390031323121901 is a prime.

It is a super-2 number, since 2×3900313231300932 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390031383130093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107453353 + ... + 111023806.

It is an arithmetic number, because the mean of its divisors is an integer number (97507885848120).

Almost surely, 2390031323130093 is an apocalyptic number.

It is an amenable number.

390031323130093 is a deficient number, since it is larger than the sum of its proper divisors (220262387).

390031323130093 is a wasteful number, since it uses less digits than its factorization.

390031323130093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220262386.

The product of its (nonzero) digits is 118098, while the sum is 40.

The spelling of 390031323130093 in words is "three hundred ninety trillion, thirty-one billion, three hundred twenty-three million, one hundred thirty thousand, ninety-three".

Divisors: 1 1785227 218477159 390031323130093