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378855236740 = 22554101350137
BaseRepresentation
bin1011000001101011000…
…10000010010010000100
31100012220001222002202211
411200311202002102010
522201343420033430
6450013234313204
736241246243621
oct5406542022204
91305801862684
10378855236740
111367429a4842
1261511a28804
1329958a3c0c6
141449dc49348
159cc540372a
hex5835882484

378855236740 has 24 divisors (see below), whose sum is σ = 795612975192. Its totient is φ = 151538860800.

The previous prime is 378855236723. The next prime is 378855236779. The reversal of 378855236740 is 47632558873.

It can be written as a sum of positive squares in 4 ways, for example, as 107274590784 + 271580645956 = 327528^2 + 521134^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 906952 + ... + 1257088.

It is an arithmetic number, because the mean of its divisors is an integer number (33150540633).

Almost surely, 2378855236740 is an apocalyptic number.

It is an amenable number.

378855236740 is an abundant number, since it is smaller than the sum of its proper divisors (416757738452).

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

378855236740 is a wasteful number, since it uses less digits than its factorization.

378855236740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404247 (or 404245 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 58.

The spelling of 378855236740 in words is "three hundred seventy-eight billion, eight hundred fifty-five million, two hundred thirty-six thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 54101 108202 216404 270505 350137 541010 700274 1082020 1400548 1750685 3501370 7002740 18942761837 37885523674 75771047348 94713809185 189427618370 378855236740