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378843140839 = 12721061141637
BaseRepresentation
bin1011000001101001100…
…11111001001011100111
31100012212020012120022111
411200310303321023213
522201332321001324
6450012123141451
736241041364612
oct5406463711347
91305766176274
10378843140839
11136737092a29
1261509974887
1329956395577
141449c3bb179
159cc4314794
hex5834cf92e7

378843140839 has 8 divisors (see below), whose sum is σ = 381846983168. Its totient is φ = 375839624160.

The previous prime is 378843140777. The next prime is 378843140857. The reversal of 378843140839 is 938041348873.

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 378843140839 - 215 = 378843108071 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 (378843146839) 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, 2603929 + ... + 2745565.

It is an arithmetic number, because the mean of its divisors is an integer number (47730872896).

Almost surely, 2378843140839 is an apocalyptic number.

378843140839 is a deficient number, since it is larger than the sum of its proper divisors (3003842329).

378843140839 is a wasteful number, since it uses less digits than its factorization.

378843140839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162825.

The product of its (nonzero) digits is 13934592, while the sum is 58.

The spelling of 378843140839 in words is "three hundred seventy-eight billion, eight hundred forty-three million, one hundred forty thousand, eight hundred thirty-nine".

Divisors: 1 127 21061 141637 2674747 17987899 2983016857 378843140839