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385402121341 = 448186008061
BaseRepresentation
bin1011001101110111100…
…00011010110001111101
31100211210100002022002021
411212323300122301331
522303300420340331
6453015025000141
736562423660006
oct5467360326175
91324710068067
10385402121341
111394a24a5076
126283a483051
132a4601c7313
14149215361ad
15a05a066211
hex59bbc1ac7d

385402121341 has 4 divisors (see below), whose sum is σ = 385488133884. Its totient is φ = 385316108800.

The previous prime is 385402121327. The next prime is 385402121413. The reversal of 385402121341 is 143121204583.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 172705905241 + 212696216100 = 415579^2 + 461190^2 .

It is a cyclic number.

It is not a de Polignac number, because 385402121341 - 27 = 385402121213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 385402121297 and 385402121306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385402121311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42999550 + ... + 43008511.

It is an arithmetic number, because the mean of its divisors is an integer number (96372033471).

Almost surely, 2385402121341 is an apocalyptic number.

It is an amenable number.

385402121341 is a deficient number, since it is larger than the sum of its proper divisors (86012543).

385402121341 is an equidigital number, since it uses as much as digits as its factorization.

385402121341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86012542.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 385402121341 in words is "three hundred eighty-five billion, four hundred two million, one hundred twenty-one thousand, three hundred forty-one".

Divisors: 1 4481 86008061 385402121341