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2730681358671 = 3719313717213467
BaseRepresentation
bin100111101111001001010…
…010101101100101001111
3100200001100212201202110110
4213233021102231211033
5324214413411434141
65450242510211103
7401166554401620
oct47571122554517
910601325652413
102730681358671
11963091490352
123812837b3a93
1316a66b2a98c6
14962468c3a47
154b0708ece16
hex27bc94ad94f

2730681358671 has 128 divisors (see below), whose sum is σ = 4647568343040. Its totient is φ = 1390703385600.

The previous prime is 2730681358631. The next prime is 2730681358679. The reversal of 2730681358671 is 1768531860372.

It is not a de Polignac number, because 2730681358671 - 26 = 2730681358607 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2730681358679) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 787619080 + ... + 787622546.

It is an arithmetic number, because the mean of its divisors is an integer number (36309127680).

Almost surely, 22730681358671 is an apocalyptic number.

2730681358671 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2730681358671 is a deficient number, since it is larger than the sum of its proper divisors (1916886984369).

2730681358671 is a wasteful number, since it uses less digits than its factorization.

2730681358671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5285.

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 2730681358671 in words is "two trillion, seven hundred thirty billion, six hundred eighty-one million, three hundred fifty-eight thousand, six hundred seventy-one".

Divisors: 1 3 7 19 21 31 37 57 93 111 133 217 259 399 589 651 703 777 1147 1721 1767 2109 3441 3467 4123 4921 5163 8029 10401 12047 12369 14763 21793 24087 24269 32699 36141 53351 63677 65379 65873 72807 98097 107477 128279 152551 160053 191031 197619 228893 322431 373457 384837 445739 457653 461111 686679 752339 897953 1013669 1120371 1209863 1337217 1383333 1973987 2042063 2257017 2437301 2693859 3041007 3629589 3976649 5921961 5966707 6126189 7095683 7311903 8469041 11929947 13817909 14294441 17061107 17900121 21287049 25407123 27836543 37505753 41453727 41766949 42883323 51183321 75556331 83509629 112517259 113367433 125300847 184967917 220768159 226668993 262540271 340102299 528894317 554903751 662304477 787620813 793572031 1294775419 1545377113 1586682951 2380716093 3514390423 3884326257 4194595021 4636131339 6843812929 10543171269 12583785063 20531438787 24600732961 29362165147 47906690503 73802198883 88086495441 130032445651 143720071509 390097336953 910227119557 2730681358671