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28017161203 = 296611461587
BaseRepresentation
bin11010000101111100…
…111111001111110011
32200022120020020220011
4122011330333033303
5424334343124303
620512040555351
72011201640503
oct320574771763
980276206804
1028017161203
1110977a58989
12551aa82b57
132846648cc5
1414dad79a03
15adea0616d
hex685f3f3f3

28017161203 has 8 divisors (see below), whose sum is σ = 29027137680. Its totient is φ = 27010109280.

The previous prime is 28017161177. The next prime is 28017161209. The reversal of 28017161203 is 30216171082.

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 28017161203 - 25 = 28017161171 is a prime.

It is a super-2 number, since 2×280171612032 (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 (28017161209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 711625 + ... + 749962.

It is an arithmetic number, because the mean of its divisors is an integer number (3628392210).

Almost surely, 228017161203 is an apocalyptic number.

28017161203 is a deficient number, since it is larger than the sum of its proper divisors (1009976477).

28017161203 is a wasteful number, since it uses less digits than its factorization.

28017161203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462277.

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 28017161203 in words is "twenty-eight billion, seventeen million, one hundred sixty-one thousand, two hundred three".

Divisors: 1 29 661 19169 1461587 42386023 966109007 28017161203