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378407396271 = 3137920699261
BaseRepresentation
bin1011000000110101101…
…01101010001110101111
31100011201212021110010210
411200122311222032233
522144434243140041
6445500555433503
736224200540362
oct5403265521657
91304655243123
10378407396271
11136533123653
1261407a55893
13298b701a348
141445a5900d9
159c9ae40016
hex581ad6a3af

378407396271 has 8 divisors (see below), whose sum is σ = 508225992624. Its totient is φ = 250430198720.

The previous prime is 378407396261. The next prime is 378407396273. The reversal of 378407396271 is 172693704873.

It is a happy number.

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 378407396271 - 223 = 378399007663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378407396273) 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, 460349220 + ... + 460350041.

It is an arithmetic number, because the mean of its divisors is an integer number (63528249078).

Almost surely, 2378407396271 is an apocalyptic number.

378407396271 is a deficient number, since it is larger than the sum of its proper divisors (129818596353).

378407396271 is a wasteful number, since it uses less digits than its factorization.

378407396271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920699401.

The product of its (nonzero) digits is 10668672, while the sum is 57.

The spelling of 378407396271 in words is "three hundred seventy-eight billion, four hundred seven million, three hundred ninety-six thousand, two hundred seventy-one".

Divisors: 1 3 137 411 920699261 2762097783 126135798757 378407396271