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378193123689 = 34143115362017
BaseRepresentation
bin1011000000011100001…
…00010001100101101001
31100011011221002021102020
411200032010101211221
522144014414424224
6445423423055053
736215656340103
oct5401604214551
91304157067366
10378193123689
11136433182477
1261368141489
1329881806834
1414439d34573
159c87216c79
hex580e111969

378193123689 has 32 divisors (see below), whose sum is σ = 529036362624. Its totient is φ = 240046571520.

The previous prime is 378193123657. The next prime is 378193123723. The reversal of 378193123689 is 986321391873.

It is not a de Polignac number, because 378193123689 - 25 = 378193123657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378193123619) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6067209 + ... + 6129225.

It is an arithmetic number, because the mean of its divisors is an integer number (16532386332).

Almost surely, 2378193123689 is an apocalyptic number.

It is an amenable number.

378193123689 is a deficient number, since it is larger than the sum of its proper divisors (150843238935).

378193123689 is a wasteful number, since it uses less digits than its factorization.

378193123689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63257.

The product of its digits is 11757312, while the sum is 60.

The spelling of 378193123689 in words is "three hundred seventy-eight billion, one hundred ninety-three million, one hundred twenty-three thousand, six hundred eighty-nine".

Divisors: 1 3 41 43 123 129 1153 1763 3459 5289 47273 49579 62017 141819 148737 186051 2032739 2542697 2666731 6098217 7628091 8000193 71505601 109335971 214516803 328007913 2931729641 3074740843 8795188923 9224222529 126064374563 378193123689