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105879437344681 = 7211137173239937
BaseRepresentation
bin11000000100101111111010…
…010000000111111110101001
3111212212222100000221121200121
4120010233322100013332221
5102334212041430012211
61013104201513403241
731205352106040500
oct3004577220077651
9455788300847617
10105879437344681
1130811243123210
12ba60189409521
134710507869b30
141c20840a73837
15c392791ae271
hex604bfa407fa9

105879437344681 has 144 divisors (see below), whose sum is σ = 148777725172608. Its totient is φ = 74053995724800.

The previous prime is 105879437344663. The next prime is 105879437344711. The reversal of 105879437344681 is 186443734978501.

It is not a de Polignac number, because 105879437344681 - 213 = 105879437336489 is a prime.

It is a super-2 number, since 2×1058794373446812 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105879437344681.

It is not an unprimeable number, because it can be changed into a prime (105879437344981) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2651141545 + ... + 2651181481.

It is an arithmetic number, because the mean of its divisors is an integer number (1033178647032).

Almost surely, 2105879437344681 is an apocalyptic number.

105879437344681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

105879437344681 is a deficient number, since it is larger than the sum of its proper divisors (42898287827927).

105879437344681 is a wasteful number, since it uses less digits than its factorization.

105879437344681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40192 (or 40112 counting only the distinct ones).

The product of its (nonzero) digits is 487710720, while the sum is 70.

The spelling of 105879437344681 in words is "one hundred five trillion, eight hundred seventy-nine billion, four hundred thirty-seven million, three hundred forty-four thousand, six hundred eighty-one".

Divisors: 1 7 11 13 49 71 73 77 91 143 497 511 539 637 781 803 923 949 1001 3479 3577 5183 5329 5467 5621 6461 6643 7007 10153 10439 36281 37303 38269 39347 39937 45227 46501 57013 58619 67379 69277 71071 73073 253967 261121 279559 378359 399091 410333 439307 471653 484939 497497 511511 519181 741169 762047 1956913 2648513 2793637 2835527 2872331 2915401 3075149 3301571 3394573 3634267 4161949 4918667 5188183 5334329 5710991 18539591 19848689 20407807 21526043 25439869 29133643 31190797 32069411 34430669 36317281 36861851 37340303 37900213 39976937 54105337 138940823 142854649 203935501 206993471 212824273 218335579 224485877 241014683 258032957 265301491 279838559 378737359 405480361 416902343 1448954297 1489769911 1528349053 1571401139 1806230699 1857110437 2276928181 2341067003 2651161513 2690915123 2766715549 2838362527 2918316401 10142680079 10428389377 15110523383 15938497267 16387469021 18836405861 19367008843 19868537689 20428214807 29600066353 30433871039 105773663681 111569480869 114712283147 131854841027 135569061901 166215757213 196436803979 207200464471 213037097273 740415645767 1163510300491 1375057627853 1450403251297 1491259680911 2160804843769 8144572103437 9625403394971 15125633906383 105879437344681