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28352995311338 = 254791249284023
BaseRepresentation
bin1100111001001011100100…
…01101101011111011101010
310201101112000222210200120222
412130211302031223323222
512204013413244430323
6140145104120450042
75654302440463415
oct634456215537352
9121345028720528
1028352995311338
11904148a768335
12321b000919922
1312a88a31a8889
147004140b4b7c
153427d6cb99c8
hex19c97236beea

28352995311338 has 16 divisors (see below), whose sum is σ = 42607860360000. Its totient is φ = 14150375942976.

The previous prime is 28352995311313. The next prime is 28352995311343. The reversal of 28352995311338 is 83311359925382.

It is a happy number.

It is a super-2 number, since 2×283529953113382 (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99684395 + ... + 99968417.

It is an arithmetic number, because the mean of its divisors is an integer number (2662991272500).

Almost surely, 228352995311338 is an apocalyptic number.

28352995311338 is a deficient number, since it is larger than the sum of its proper divisors (14254865048662).

28352995311338 is a wasteful number, since it uses less digits than its factorization.

28352995311338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375821.

The product of its digits is 41990400, while the sum is 62.

The spelling of 28352995311338 in words is "twenty-eight trillion, three hundred fifty-two billion, nine hundred ninety-five million, three hundred eleven thousand, three hundred thirty-eight".

Divisors: 1 2 547 1094 91249 182498 284023 568046 49913203 99826406 155360581 310721162 25916814727 51833629454 14176497655669 28352995311338