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1378188227313 = 3537914964529
BaseRepresentation
bin10100000011100010011…
…010110111001011110001
311212202100022021221100000
4110003202122313023301
5140040012141233223
62533044140420213
7201366534434022
oct24034232671361
94782308257300
101378188227313
11491539363677
121a3128547669
139cc68a797c1
144a9c1864c49
1525cb3312543
hex140e26b72f1

1378188227313 has 24 divisors (see below), whose sum is σ = 2069893789600. Its totient is φ = 916367836608.

The previous prime is 1378188227183. The next prime is 1378188227341. The reversal of 1378188227313 is 3137228818731.

1378188227313 is a `hidden beast` number, since 1 + 378 + 18 + 8 + 227 + 31 + 3 = 666.

It is not a de Polignac number, because 1378188227313 - 29 = 1378188226801 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1378188227313.

It is not an unprimeable number, because it can be changed into a prime (1378188237313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7390168 + ... + 7574361.

Almost surely, 21378188227313 is an apocalyptic number.

It is an amenable number.

1378188227313 is a deficient number, since it is larger than the sum of its proper divisors (691705562287).

1378188227313 is an equidigital number, since it uses as much as digits as its factorization.

1378188227313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14964923 (or 14964911 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The spelling of 1378188227313 in words is "one trillion, three hundred seventy-eight billion, one hundred eighty-eight million, two hundred twenty-seven thousand, three hundred thirteen".

Divisors: 1 3 9 27 81 243 379 1137 3411 10233 30699 92097 14964529 44893587 134680761 404042283 1212126849 3636380547 5671556491 17014669473 51044008419 153132025257 459396075771 1378188227313