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6826800129 = 329315094973
BaseRepresentation
bin1100101101110100…
…01011010000000001
3122121202211101020020
412112322023100001
5102440130101004
63045230004053
7331113562242
oct62672132001
918552741206
106826800129
112993606a86
1213a6346629
1384a473306
1448a952cc9
1529e5058d9
hex196e8b401

6826800129 has 32 divisors (see below), whose sum is σ = 9741081600. Its totient is φ = 4243303680.

The previous prime is 6826800083. The next prime is 6826800137. The reversal of 6826800129 is 9210086286.

It is a de Polignac number, because none of the positive numbers 2k-6826800129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6826800179) 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, 1370287 + ... + 1375259.

It is an arithmetic number, because the mean of its divisors is an integer number (304408800).

Almost surely, 26826800129 is an apocalyptic number.

It is an amenable number.

6826800129 is a deficient number, since it is larger than the sum of its proper divisors (2914281471).

6826800129 is a wasteful number, since it uses less digits than its factorization.

6826800129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5545.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 6826800129 is about 82624.4523673228. The cubic root of 6826800129 is about 1897.0221245871.

The spelling of 6826800129 in words is "six billion, eight hundred twenty-six million, eight hundred thousand, one hundred twenty-nine".

Divisors: 1 3 29 31 87 93 509 899 1527 2697 4973 14761 14919 15779 44283 47337 144217 154163 432651 457591 462489 1372773 2531257 4470727 7593771 13412181 73406453 78468967 220219359 235406901 2275600043 6826800129