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28262286262242 = 233523375671523
BaseRepresentation
bin1100110110100010100111…
…00010000111111111100010
310201001211220022201112222000
412123101103202013333202
512201022130240342432
6140035303131024430
75644611541336344
oct633212342077742
9121054808645860
1028262286262242
119006a7188715a
12320550659b116
1312a01784c9426
146d9c8ad65294
1534027857e57c
hex19b453887fe2

28262286262242 has 16 divisors (see below), whose sum is σ = 62805080582880. Its totient is φ = 9420762087396.

The previous prime is 28262286262241. The next prime is 28262286262291. The reversal of 28262286262242 is 24226268226282.

28262286262242 is a `hidden beast` number, since 2 + 8 + 2 + 6 + 2 + 2 + 8 + 6 + 2 + 622 + 4 + 2 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 523375671523 = 28262286262242 / (2 + 8 + 2 + 6 + 2 + 2 + 8 + 6 + 2 + 6 + 2 + 2 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (28262286262241) 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, 261687835708 + ... + 261687835815.

It is an arithmetic number, because the mean of its divisors is an integer number (3925317536430).

Almost surely, 228262286262242 is an apocalyptic number.

28262286262242 is an abundant number, since it is smaller than the sum of its proper divisors (34542794320638).

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

28262286262242 is a wasteful number, since it uses less digits than its factorization.

28262286262242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523375671534 (or 523375671528 counting only the distinct ones).

The product of its digits is 14155776, while the sum is 54.

The spelling of 28262286262242 in words is "twenty-eight trillion, two hundred sixty-two billion, two hundred eighty-six million, two hundred sixty-two thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 523375671523 1046751343046 1570127014569 3140254029138 4710381043707 9420762087414 14131143131121 28262286262242