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20430123433304 = 23133157710982473
BaseRepresentation
bin1001010010100110000100…
…01111111111110101011000
32200100002201102120211200112
410221103002033333311120
510134211343044331204
6111241245200023452
74206012334622414
oct451230217776530
980302642524615
1020430123433304
11656740407a762
12235b5b3001b88
13b52724743a10
14508b74dd9d44
1525667b13b26e
hex1294c23ffd58

20430123433304 has 64 divisors (see below), whose sum is σ = 42657686211840. Its totient is φ = 9109301575680.

The previous prime is 20430123433297. The next prime is 20430123433333. The reversal of 20430123433304 is 40333432103402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3630989 + ... + 7351484.

It is an arithmetic number, because the mean of its divisors is an integer number (666526347060).

Almost surely, 220430123433304 is an apocalyptic number.

It is an amenable number.

20430123433304 is an abundant number, since it is smaller than the sum of its proper divisors (22227562778536).

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

20430123433304 is a wasteful number, since it uses less digits than its factorization.

20430123433304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10983100 (or 10983096 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 20430123433304 its reverse (40333432103402), we get a palindrome (60763555536706).

The spelling of 20430123433304 in words is "twenty trillion, four hundred thirty billion, one hundred twenty-three million, four hundred thirty-three thousand, three hundred four".

Divisors: 1 2 4 8 13 26 31 52 62 104 124 248 403 577 806 1154 1612 2308 3224 4616 7501 15002 17887 30004 35774 60008 71548 143096 232531 465062 930124 1860248 10982473 21964946 43929892 87859784 142772149 285544298 340456663 571088596 680913326 1142177192 1361826652 2723653304 4425936619 6336886921 8851873238 12673773842 17703746476 25347547684 35407492952 50695095368 82379529973 164759059946 196443494551 329518119892 392886989102 659036239784 785773978204 1571547956408 2553765429163 5107530858326 10215061716652 20430123433304