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13379439066679 = 722813174496827
BaseRepresentation
bin1100001010110010010010…
…1101100111111000110111
31202101001200010001021011101
43002230210231213320313
53223202042400113204
644242232432350531
72550426654426400
oct302544455477067
952331603037141
1013379439066679
114299208608614
1216010370a5447
137608a265100a
143437d56089a7
1518306ae61ea4
hexc2b24b67e37

13379439066679 has 48 divisors (see below), whose sum is σ = 15705693223200. Its totient is φ = 11364195655680.

The previous prime is 13379439066677. The next prime is 13379439066689. The reversal of 13379439066679 is 97666093497331.

It is not a de Polignac number, because 13379439066679 - 21 = 13379439066677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13379439066677) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1959779664 + ... + 1959786490.

It is an arithmetic number, because the mean of its divisors is an integer number (327201942150).

Almost surely, 213379439066679 is an apocalyptic number.

13379439066679 is a deficient number, since it is larger than the sum of its proper divisors (2326254156521).

13379439066679 is a wasteful number, since it uses less digits than its factorization.

13379439066679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7888 (or 7881 counting only the distinct ones).

The product of its (nonzero) digits is 833299488, while the sum is 73.

The spelling of 13379439066679 in words is "thirteen trillion, three hundred seventy-nine billion, four hundred thirty-nine million, sixty-six thousand, six hundred seventy-nine".

Divisors: 1 7 49 281 317 449 1967 2219 3143 6827 13769 15533 22001 47789 89077 126169 142333 334523 623539 883183 996331 1918387 2164159 3065323 4364773 6182281 6974317 13428709 15149113 21457261 39995573 94000963 106043791 150200827 279969011 608128679 861355763 971707391 1959783077 4256900753 6029490341 6801951737 29798305271 42206432387 47613662159 273049776871 1911348438097 13379439066679