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380530533839 = 478096394337
BaseRepresentation
bin1011000100110010110…
…00110010010111001111
31100101012211100000100112
411202121120302113033
522213311304040324
6450451401550235
736330621112001
oct5423130622717
91311184300315
10380530533839
111374226252a5
12618baaa537b
1329b64b49771
14145bc540371
159d72527c0e
hex58996325cf

380530533839 has 4 divisors (see below), whose sum is σ = 388626928224. Its totient is φ = 372434139456.

The previous prime is 380530533809. The next prime is 380530533871. The reversal of 380530533839 is 938335035083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 938335035083 = 7028691335007.

It is a cyclic number.

It is not a de Polignac number, because 380530533839 - 28 = 380530533583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380530533809) 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, 4048197122 + ... + 4048197215.

It is an arithmetic number, because the mean of its divisors is an integer number (97156732056).

Almost surely, 2380530533839 is an apocalyptic number.

380530533839 is a deficient number, since it is larger than the sum of its proper divisors (8096394385).

380530533839 is an equidigital number, since it uses as much as digits as its factorization.

380530533839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8096394384.

The product of its (nonzero) digits is 3499200, while the sum is 50.

The spelling of 380530533839 in words is "three hundred eighty billion, five hundred thirty million, five hundred thirty-three thousand, eight hundred thirty-nine".

Divisors: 1 47 8096394337 380530533839