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18082261310 = 2517831281521
BaseRepresentation
bin10000110101110010…
…010110100100111110
31201200011222001022212
4100311302112210332
5244013024330220
612150141340422
71210044454001
oct206562264476
951604861285
1018082261310
117739a68613
123607867712
1319222a3009
14c37721538
1570c7070c5
hex435c9693e

18082261310 has 32 divisors (see below), whose sum is σ = 34877902752. Its totient is φ = 6725416960.

The previous prime is 18082261303. The next prime is 18082261357. The reversal of 18082261310 is 1316228081.

It is a super-2 number, since 2×180822613102 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

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, 626651 + ... + 654870.

It is an arithmetic number, because the mean of its divisors is an integer number (1089934461).

Almost surely, 218082261310 is an apocalyptic number.

18082261310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18082261310 is a deficient number, since it is larger than the sum of its proper divisors (16795641442).

18082261310 is a wasteful number, since it uses less digits than its factorization.

18082261310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281628.

The product of its (nonzero) digits is 4608, while the sum is 32.

Adding to 18082261310 its reverse (1316228081), we get a palindrome (19398489391).

The spelling of 18082261310 in words is "eighteen billion, eighty-two million, two hundred sixty-one thousand, three hundred ten".

Divisors: 1 2 5 10 17 34 83 85 166 170 415 830 1411 2822 7055 14110 1281521 2563042 6407605 12815210 21785857 43571714 106366243 108929285 212732486 217858570 531831215 1063662430 1808226131 3616452262 9041130655 18082261310