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8106197883507 = 334311536055579
BaseRepresentation
bin111010111110101111100…
…0010111001101001110011
31001200221111212102211221000
41311331133002321221303
52030302443124233012
625123534053133043
71464440066064033
oct165753702715163
931627455384830
108106197883507
112645901416a09
12aab05132a183
1346a546495499
142004b08dd8c3
15e0cda374ddc
hex75f5f0b9a73

8106197883507 has 32 divisors (see below), whose sum is σ = 12299125203200. Its totient is φ = 5273875547136.

The previous prime is 8106197883491. The next prime is 8106197883527. The reversal of 8106197883507 is 7053887916018.

8106197883507 is a `hidden beast` number, since 8 + 1 + 0 + 619 + 7 + 8 + 8 + 3 + 5 + 0 + 7 = 666.

It is not a de Polignac number, because 8106197883507 - 24 = 8106197883491 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8106197883527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1689157 + ... + 4366422.

It is an arithmetic number, because the mean of its divisors is an integer number (384347662600).

Almost surely, 28106197883507 is an apocalyptic number.

8106197883507 is a deficient number, since it is larger than the sum of its proper divisors (4192927319693).

8106197883507 is a wasteful number, since it uses less digits than its factorization.

8106197883507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6056784 (or 6056778 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 63.

The spelling of 8106197883507 in words is "eight trillion, one hundred six billion, one hundred ninety-seven million, eight hundred eighty-three thousand, five hundred seven".

Divisors: 1 3 9 27 43 129 387 1153 1161 3459 10377 31131 49579 148737 446211 1338633 6055579 18166737 54500211 163500633 260389897 781169691 2343509073 6982082587 7030527219 20946247761 62838743283 188516229849 300229551241 900688653723 2702065961169 8106197883507