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18234805510233 = 3213217719932639
BaseRepresentation
bin1000010010101100111110…
…00110101110000001011001
32101120020012221121110022200
410021112133012232001121
54342224340202311413
6102440542022040413
73561264323306364
oct411263706560131
971506187543280
1018234805510233
1158a037936a444
12206603b579109
13a236c4bb7300
144707d820d0db
152194e0c91573
hex10959f1ae059

18234805510233 has 72 divisors (see below), whose sum is σ = 30624156725760. Its totient is φ = 10412583068160.

The previous prime is 18234805510193. The next prime is 18234805510237. The reversal of 18234805510233 is 33201550843281.

18234805510233 is a `hidden beast` number, since 1 + 8 + 2 + 34 + 80 + 5 + 510 + 23 + 3 = 666.

It is not a de Polignac number, because 18234805510233 - 29 = 18234805509721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18234805510237) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3130473 + ... + 6802166.

It is an arithmetic number, because the mean of its divisors is an integer number (425335510080).

Almost surely, 218234805510233 is an apocalyptic number.

18234805510233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

18234805510233 is a deficient number, since it is larger than the sum of its proper divisors (12389351215527).

18234805510233 is a wasteful number, since it uses less digits than its factorization.

18234805510233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9932759 (or 9932743 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 18234805510233 in words is "eighteen trillion, two hundred thirty-four billion, eight hundred five million, five hundred ten thousand, two hundred thirty-three".

Divisors: 1 3 9 13 17 39 51 71 117 153 169 213 221 507 639 663 923 1207 1521 1989 2769 2873 3621 8307 8619 10863 11999 15691 25857 35997 47073 107991 141219 203983 611949 1835847 9932639 29797917 89393751 129124307 168854863 387372921 506564589 705217369 1162118763 1519693767 1678615991 2115652107 2195113219 5035847973 6346956321 6585339657 9167825797 11988695273 15107543919 19756018971 27503477391 28536471847 35966085819 82510432173 85609415541 107898257457 119181735361 155853038549 256828246623 357545206083 467559115647 1072635618249 1402677346941 2026089501137 6078268503411 18234805510233