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213042223011320 = 23547370493058661
BaseRepresentation
bin110000011100001011000010…
…000001100101010111111000
31000221022122012211011210120222
4300130023002001211113320
5210410440433042330240
62033034125055435212
762605535613626453
oct6034130201452770
91027278184153528
10213042223011320
116197777698841a
121ba89015525b08
1391b4a45727161
143a8742756449a
151996ab5472eb5
hexc1c2c20655f8

213042223011320 has 64 divisors (see below), whose sum is σ = 489557205072000. Its totient is φ = 83401485460480.

The previous prime is 213042223011313. The next prime is 213042223011427. The reversal of 213042223011320 is 23110322240312.

It is a super-3 number, since 3×2130422230113203 (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213042223011320.

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, 68122790 + ... + 71181450.

It is an arithmetic number, because the mean of its divisors is an integer number (7649331329250).

Almost surely, 2213042223011320 is an apocalyptic number.

213042223011320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213042223011320 is an abundant number, since it is smaller than the sum of its proper divisors (276514982060680).

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

213042223011320 is a wasteful number, since it uses less digits than its factorization.

213042223011320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095768 (or 3095764 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 213042223011320 its reverse (23110322240312), we get a palindrome (236152545251632).

The spelling of 213042223011320 in words is "two hundred thirteen trillion, forty-two billion, two hundred twenty-three million, eleven thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 47 94 188 235 376 470 940 1880 37049 74098 148196 185245 296392 370490 740980 1481960 1741303 3058661 3482606 6117322 6965212 8706515 12234644 13930424 15293305 17413030 24469288 30586610 34826060 61173220 69652120 122346440 143757067 287514134 575028268 718785335 1150056536 1437570670 2875141340 5750282680 113320331389 226640662778 453281325556 566601656945 906562651112 1133203313890 2266406627780 4532813255560 5326055575283 10652111150566 21304222301132 26630277876415 42608444602264 53260555752830 106521111505660 213042223011320