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28383352043 = 419163741381
BaseRepresentation
bin11010011011110001…
…111001010011101011
32201021002021200021212
4122123301321103223
5431112114231133
621012241423335
72023236340334
oct323361712353
981232250255
1028383352043
1111045731542
12560163ab4b
1328a4480887
14153385d28b
15b11c3c148
hex69bc794eb

28383352043 has 8 divisors (see below), whose sum is σ = 28469160720. Its totient is φ = 28297630240.

The previous prime is 28383352037. The next prime is 28383352079. The reversal of 28383352043 is 34025338382.

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

It is a cyclic number.

It is not a de Polignac number, because 28383352043 - 210 = 28383351019 is a prime.

It is a super-2 number, since 2×283833520432 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28383652043) 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, 665213 + ... + 706593.

It is an arithmetic number, because the mean of its divisors is an integer number (3558645090).

Almost surely, 228383352043 is an apocalyptic number.

28383352043 is a deficient number, since it is larger than the sum of its proper divisors (85808677).

28383352043 is a wasteful number, since it uses less digits than its factorization.

28383352043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43437.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 28383352043 in words is "twenty-eight billion, three hundred eighty-three million, three hundred fifty-two thousand, forty-three".

Divisors: 1 419 1637 41381 685903 17338639 67740697 28383352043