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30827860068 = 2232568988339
BaseRepresentation
bin11100101101011110…
…111101000001100100
32221120110001112220010
4130231132331001210
51001113413010233
622055004010220
72140641326025
oct345536750144
987513045803
1030827860068
111208a583605
125b84230970
132ba3a50c25
1416c6386c4c
15c06655b63
hex72d7bd064

30827860068 has 12 divisors (see below), whose sum is σ = 71931673520. Its totient is φ = 10275953352.

The previous prime is 30827860057. The next prime is 30827860103. The reversal of 30827860068 is 86006872803.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 30827859999 and 30827860026.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1284494158 + ... + 1284494181.

Almost surely, 230827860068 is an apocalyptic number.

It is an amenable number.

30827860068 is an abundant number, since it is smaller than the sum of its proper divisors (41103813452).

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

30827860068 is a wasteful number, since it uses less digits than its factorization.

30827860068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2568988346 (or 2568988344 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 30827860068 in words is "thirty billion, eight hundred twenty-seven million, eight hundred sixty thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 2568988339 5137976678 7706965017 10275953356 15413930034 30827860068