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381014885443 = 616246145663
BaseRepresentation
bin1011000101101100100…
…00011100010001000011
31100102110120201121211211
411202312100130101003
522220304302313233
6451011423150551
736345622042543
oct5426620342103
91312416647754
10381014885443
11137650a73885
1261a15145457
1329c112b304a
14146269c1323
159d9ecee5cd
hex58b641c443

381014885443 has 4 divisors (see below), whose sum is σ = 387261031168. Its totient is φ = 374768739720.

The previous prime is 381014885429. The next prime is 381014885479. The reversal of 381014885443 is 344588410183.

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

It is a cyclic number.

It is not a de Polignac number, because 381014885443 - 213 = 381014877251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381014885243) 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, 3123072771 + ... + 3123072892.

It is an arithmetic number, because the mean of its divisors is an integer number (96815257792).

Almost surely, 2381014885443 is an apocalyptic number.

381014885443 is a deficient number, since it is larger than the sum of its proper divisors (6246145725).

381014885443 is an equidigital number, since it uses as much as digits as its factorization.

381014885443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6246145724.

The product of its (nonzero) digits is 1474560, while the sum is 49.

The spelling of 381014885443 in words is "three hundred eighty-one billion, fourteen million, eight hundred eighty-five thousand, four hundred forty-three".

Divisors: 1 61 6246145663 381014885443