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28268968372043 = 726771508563337
BaseRepresentation
bin1100110110101111000011…
…10100010110011101001011
310201002111011000021220101012
412123113201310112131023
512201124321400401133
6140042330151514135
75645236250335130
oct633274164263513
9121074130256335
1028268968372043
119009890748153
12320687038894b
1312a09a19ac559
146da3225b2587
1534051a003b48
hex19b5e1d1674b

28268968372043 has 8 divisors (see below), whose sum is σ = 32319460953312. Its totient is φ = 24221492922816.

The previous prime is 28268968372009. The next prime is 28268968372087. The reversal of 28268968372043 is 34027386986282.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28268968372043 - 212 = 28268968367947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28268968372543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 754262930 + ... + 754300407.

It is an arithmetic number, because the mean of its divisors is an integer number (4039932619164).

Almost surely, 228268968372043 is an apocalyptic number.

28268968372043 is a deficient number, since it is larger than the sum of its proper divisors (4050492581269).

28268968372043 is a wasteful number, since it uses less digits than its factorization.

28268968372043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508566021.

The product of its (nonzero) digits is 334430208, while the sum is 68.

The spelling of 28268968372043 in words is "twenty-eight trillion, two hundred sixty-eight billion, nine hundred sixty-eight million, three hundred seventy-two thousand, forty-three".

Divisors: 1 7 2677 18739 1508563337 10559943359 4038424053149 28268968372043