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386612833381 is a prime number
BaseRepresentation
bin1011010000000111110…
…10111010110001100101
31100221220201020211202221
411220003322322301211
522313240341132011
6453335114432341
736634424601505
oct5500372726145
91327821224687
10386612833381
11139a63957a35
1262b17a326b1
132a5c3c9c488
14149d8253a05
15a0cb4ba971
hex5a03ebac65

386612833381 has 2 divisors, whose sum is σ = 386612833382. Its totient is φ = 386612833380.

The previous prime is 386612833331. The next prime is 386612833417. The reversal of 386612833381 is 183338216683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 294100136100 + 92512697281 = 542310^2 + 304159^2 .

It is a cyclic number.

It is not a de Polignac number, because 386612833381 - 229 = 386075962469 is a prime.

It is a super-2 number, since 2×3866128333812 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (386612833331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193306416690 + 193306416691.

It is an arithmetic number, because the mean of its divisors is an integer number (193306416691).

Almost surely, 2386612833381 is an apocalyptic number.

It is an amenable number.

386612833381 is a deficient number, since it is larger than the sum of its proper divisors (1).

386612833381 is an equidigital number, since it uses as much as digits as its factorization.

386612833381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2985984, while the sum is 52.

The spelling of 386612833381 in words is "three hundred eighty-six billion, six hundred twelve million, eight hundred thirty-three thousand, three hundred eighty-one".