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380427122811 = 3173937290809
BaseRepresentation
bin1011000100100110011…
…10010011100001111011
31100100221121202012002110
411202103032103201323
522213103320412221
6450433225303403
736325224122061
oct5422316234173
91310847665073
10380427122811
1113737a21403a
1261890334b63
1329b495b04c8
14145ac902031
159d683ec776
hex589339387b

380427122811 has 8 divisors (see below), whose sum is σ = 507265396560. Its totient is φ = 253603465472.

The previous prime is 380427122783. The next prime is 380427122819. The reversal of 380427122811 is 118221724083.

380427122811 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 380427122811 - 210 = 380427121787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 380427122811.

It is not an unprimeable number, because it can be changed into a prime (380427122819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3593226 + ... + 3697583.

It is an arithmetic number, because the mean of its divisors is an integer number (63408174570).

Almost surely, 2380427122811 is an apocalyptic number.

380427122811 is a deficient number, since it is larger than the sum of its proper divisors (126838273749).

380427122811 is a wasteful number, since it uses less digits than its factorization.

380427122811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7308205.

The product of its (nonzero) digits is 43008, while the sum is 39.

Adding to 380427122811 its reverse (118221724083), we get a palindrome (498648846894).

The spelling of 380427122811 in words is "three hundred eighty billion, four hundred twenty-seven million, one hundred twenty-two thousand, eight hundred eleven".

Divisors: 1 3 17393 52179 7290809 21872427 126809040937 380427122811