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378196711890 = 23512606557063
BaseRepresentation
bin1011000000011100100…
…01111101100111010010
31100011012011211120111120
411200032101331213102
522144021324240030
6445424032023110
736216032003244
oct5401621754722
91304164746446
10378196711890
11136435203328
1261369391a96
1329882491b2a
141443a5ca094
159c876c5010
hex580e47d9d2

378196711890 has 16 divisors (see below), whose sum is σ = 907672108608. Its totient is φ = 100852456496.

The previous prime is 378196711859. The next prime is 378196711891. The reversal of 378196711890 is 98117691873.

It is not an unprimeable number, because it can be changed into a prime (378196711891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6303278502 + ... + 6303278561.

It is an arithmetic number, because the mean of its divisors is an integer number (56729506788).

Almost surely, 2378196711890 is an apocalyptic number.

378196711890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

378196711890 is an abundant number, since it is smaller than the sum of its proper divisors (529475396718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

378196711890 is a wasteful number, since it uses less digits than its factorization.

378196711890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12606557073.

The product of its (nonzero) digits is 4572288, while the sum is 60.

The spelling of 378196711890 in words is "three hundred seventy-eight billion, one hundred ninety-six million, seven hundred eleven thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 12606557063 25213114126 37819671189 63032785315 75639342378 126065570630 189098355945 378196711890