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20234090784 = 253210771779
BaseRepresentation
bin10010110110000010…
…111011100100100000
31221020011000022102210
4102312002323210200
5312414411401114
613143450442120
71314263635215
oct226602734440
957204008383
1020234090784
118643686986
123b08433340
131ba6039bab
14d9d41db0c
157d65ab259
hex4b60bb920

20234090784 has 24 divisors (see below), whose sum is σ = 53114488560. Its totient is φ = 6744696896.

The previous prime is 20234090777. The next prime is 20234090813. The reversal of 20234090784 is 48709043202.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105385794 + ... + 105385985.

It is an arithmetic number, because the mean of its divisors is an integer number (2213103690).

Almost surely, 220234090784 is an apocalyptic number.

20234090784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20234090784 is an abundant number, since it is smaller than the sum of its proper divisors (32880397776).

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

20234090784 is a wasteful number, since it uses less digits than its factorization.

20234090784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210771792 (or 210771784 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 20234090784 in words is "twenty billion, two hundred thirty-four million, ninety thousand, seven hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 210771779 421543558 632315337 843087116 1264630674 1686174232 2529261348 3372348464 5058522696 6744696928 10117045392 20234090784