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28240216999353 = 352343911509843
BaseRepresentation
bin1100110101111001100000…
…00110100100010110111001
310200222201221021111211200000
412122330300012210112321
512200141431022434403
6140021213202103213
75643200621604132
oct632746006442671
9120881837454600
1028240216999353
118aa8677303317
12320118764ab09
13129b06c2062a8
146d8b95d14c89
1533e8d5d1d7a3
hex19af301a45b9

28240216999353 has 48 divisors (see below), whose sum is σ = 44241998760960. Its totient is φ = 17967231676944.

The previous prime is 28240216999331. The next prime is 28240216999363. The reversal of 28240216999353 is 35399961204282.

28240216999353 is a `hidden beast` number, since 2 + 8 + 2 + 402 + 1 + 6 + 99 + 93 + 53 = 666.

It is not a de Polignac number, because 28240216999353 - 26 = 28240216999289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28240216999363) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3301351 + ... + 8208492.

It is an arithmetic number, because the mean of its divisors is an integer number (921708307520).

Almost surely, 228240216999353 is an apocalyptic number.

28240216999353 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

28240216999353 is a deficient number, since it is larger than the sum of its proper divisors (16001781761607).

28240216999353 is a wasteful number, since it uses less digits than its factorization.

28240216999353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11510320 (or 11510308 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 63.

The spelling of 28240216999353 in words is "twenty-eight trillion, two hundred forty billion, two hundred sixteen million, nine hundred ninety-nine thousand, three hundred fifty-three".

Divisors: 1 3 9 23 27 69 81 207 243 439 621 1317 1863 3951 5589 10097 11853 30291 35559 90873 106677 272619 817857 2453571 11509843 34529529 103588587 264726389 310765761 794179167 932297283 2382537501 2796891849 5052821077 7147612503 15158463231 21442837509 45475389693 64328512527 116214884771 136426169079 348644654313 409278507237 1045933962939 1227835521711 3137801888817 9413405666451 28240216999353