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18082910204 = 2219231283157
BaseRepresentation
bin10000110101110100…
…110100111111111100
31201200020012000102222
4100311310310333330
5244013211111304
612150203304512
71210053125552
oct206564647774
951606160388
1018082910204
11773a371097
123607b1b138
13192246c488
14c3784dbd2
1570c7d44be
hex435d34ffc

18082910204 has 108 divisors (see below), whose sum is σ = 35148649032. Its totient is φ = 8137247040.

The previous prime is 18082910191. The next prime is 18082910207. The reversal of 18082910204 is 40201928081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18082910207) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 115177694 + ... + 115177850.

It is an arithmetic number, because the mean of its divisors is an integer number (325450454).

Almost surely, 218082910204 is an apocalyptic number.

It is an amenable number.

18082910204 is a deficient number, since it is larger than the sum of its proper divisors (17065738828).

18082910204 is a wasteful number, since it uses less digits than its factorization.

18082910204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The spelling of 18082910204 in words is "eighteen billion, eighty-two million, nine hundred ten thousand, two hundred four".

Divisors: 1 2 4 19 31 38 62 76 83 124 157 166 314 332 361 589 628 722 961 1178 1444 1577 1922 2356 2573 2983 3154 3844 4867 5146 5966 6308 9734 10292 11191 11932 13031 18259 19468 22382 26062 29963 36518 44764 48887 52124 56677 59926 73036 79763 92473 97774 113354 119852 150877 159526 184946 195548 226708 247589 301754 319052 346921 369892 403961 495178 603508 693842 807922 928853 990356 1387684 1515497 1615844 1756987 1857706 2866663 3030994 3513974 3715412 4704191 5733326 6061988 7027948 7675259 9408382 11466652 12522791 15350518 18816764 25045582 28794443 30701036 50091164 54466597 57588886 108933194 115177772 145829921 217866388 237933029 291659842 475866058 583319684 951732116 4520727551 9041455102 18082910204