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828827407109 = 131916061208927
BaseRepresentation
bin11000000111110011111…
…01101001001100000101
32221020100101222202022102
430003321331221030011
5102034414304011414
61432431423441445
7113611054501502
oct14037175511405
92836311882272
10828827407109
1129a55a511399
12114770756285
1360209425010
142c188b764a9
151685dee5ede
hexc0f9f69305

828827407109 has 16 divisors (see below), whose sum is σ = 939624430080. Its totient is φ = 724755936960.

The previous prime is 828827407091. The next prime is 828827407117. The reversal of 828827407109 is 901704728828.

828827407109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 828827407109 - 224 = 828810629893 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828827407159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3862604 + ... + 4071530.

It is an arithmetic number, because the mean of its divisors is an integer number (58726526880).

Almost surely, 2828827407109 is an apocalyptic number.

It is an amenable number.

828827407109 is a deficient number, since it is larger than the sum of its proper divisors (110797022971).

828827407109 is a wasteful number, since it uses less digits than its factorization.

828827407109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225020.

The product of its (nonzero) digits is 3612672, while the sum is 56.

The spelling of 828827407109 in words is "eight hundred twenty-eight billion, eight hundred twenty-seven million, four hundred seven thousand, one hundred nine".

Divisors: 1 13 19 247 16061 208793 208927 305159 2716051 3967067 3969613 51604969 3355576547 43622495111 63755954393 828827407109