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2087279314808 = 231093736417343
BaseRepresentation
bin11110010111111011100…
…010101100011101111000
321101112122002021102122012
4132113323202230131320
5233144222001033213
64234514411345052
7303541504303562
oct36277342543570
97345562242565
102087279314808
11735234837916
12298641752188
13121aa280994c
147304c2d2332
153946558a4a8
hex1e5fb8ac778

2087279314808 has 32 divisors (see below), whose sum is σ = 3960142982400. Its totient is φ = 1031292528768.

The previous prime is 2087279314807. The next prime is 2087279314849. The reversal of 2087279314808 is 8084139727802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2087279314801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2883416 + ... + 3533927.

It is an arithmetic number, because the mean of its divisors is an integer number (123754468200).

Almost surely, 22087279314808 is an apocalyptic number.

It is an amenable number.

2087279314808 is a deficient number, since it is larger than the sum of its proper divisors (1872863667592).

2087279314808 is a wasteful number, since it uses less digits than its factorization.

2087279314808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6417831 (or 6417827 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 59.

The spelling of 2087279314808 in words is "two trillion, eighty-seven billion, two hundred seventy-nine million, three hundred fourteen thousand, eight hundred eight".

Divisors: 1 2 4 8 109 218 373 436 746 872 1492 2984 40657 81314 162628 325256 6417343 12834686 25669372 51338744 699490387 1398980774 2393668939 2797961548 4787337878 5595923096 9574675756 19149351512 260909914351 521819828702 1043639657404 2087279314808