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6900988584489 = 32300329528163
BaseRepresentation
bin110010001101100001011…
…1110010010001000101001
3220102201122202111221002220
41210123002332102020221
51401031211034200424
622402134223144253
71311402634056216
oct144330276221051
926381582457086
106900988584489
11222076916941a
1293555b145089
133b09b688a12c
1419c01c5d0b0d
15be79d18d579
hex646c2f92229

6900988584489 has 4 divisors (see below), whose sum is σ = 9201318112656. Its totient is φ = 4600659056324.

The previous prime is 6900988584437. The next prime is 6900988584493. The reversal of 6900988584489 is 9844858890096.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6900988584489 - 27 = 6900988584361 is a prime.

It is a super-2 number, since 2×69009885844892 (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6900988584419) by changing a digit.

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, 1150164764079 + ... + 1150164764084.

It is an arithmetic number, because the mean of its divisors is an integer number (2300329528164).

Almost surely, 26900988584489 is an apocalyptic number.

It is an amenable number.

6900988584489 is a deficient number, since it is larger than the sum of its proper divisors (2300329528167).

6900988584489 is a wasteful number, since it uses less digits than its factorization.

6900988584489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2300329528166.

The product of its (nonzero) digits is 1433272320, while the sum is 78.

The spelling of 6900988584489 in words is "six trillion, nine hundred billion, nine hundred eighty-eight million, five hundred eighty-four thousand, four hundred eighty-nine".

Divisors: 1 3 2300329528163 6900988584489