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6989284797 = 3112011105319
BaseRepresentation
bin1101000001001100…
…00000010110111101
3200001002120110021220
412200212000112331
5103303224103142
63113312343553
7335125640415
oct64046002675
920032513256
106989284797
112a672a6130
121430844bb9
138750239a1
144a436b645
152ad8ee2ec
hex1a09805bd

6989284797 has 16 divisors (see below), whose sum is σ = 10171384320. Its totient is φ = 4233783600.

The previous prime is 6989284763. The next prime is 6989284807. The reversal of 6989284797 is 7974829896.

It is not a de Polignac number, because 6989284797 - 26 = 6989284733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6989284697) 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, 13704 + ... + 119022.

It is an arithmetic number, because the mean of its divisors is an integer number (635711520).

Almost surely, 26989284797 is an apocalyptic number.

It is an amenable number.

6989284797 is a deficient number, since it is larger than the sum of its proper divisors (3182099523).

6989284797 is a wasteful number, since it uses less digits than its factorization.

6989284797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107344.

The product of its digits is 109734912, while the sum is 69.

The square root of 6989284797 is about 83601.9425432208. The cubic root of 6989284797 is about 1911.9546154568.

The spelling of 6989284797 in words is "six billion, nine hundred eighty-nine million, two hundred eighty-four thousand, seven hundred ninety-seven".

Divisors: 1 3 11 33 2011 6033 22121 66363 105319 315957 1158509 3475527 211796509 635389527 2329761599 6989284797