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43680445046769 = 3337121735501387
BaseRepresentation
bin10011110111010001001010…
…11010010001111111110001
312201122210212022121010122110
421323220211122101333301
521211130022412444034
6232522304110355533
712125544101546646
oct1173504532217761
9181583768533573
1043680445046769
1112a10855533673
124a956907bbba9
131b4b082140c4b
14ab020555ddcd
1550b3668acde9
hex27ba25691ff1

43680445046769 has 16 divisors (see below), whose sum is σ = 58461413669568. Its totient is φ = 29010028572672.

The previous prime is 43680445046761. The next prime is 43680445046807. The reversal of 43680445046769 is 96764054408634.

It is not a de Polignac number, because 43680445046769 - 23 = 43680445046761 is a prime.

It is a super-4 number, since 4×436804450467694 (a number of 56 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (43680445046761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16520307 + ... + 18981080.

It is an arithmetic number, because the mean of its divisors is an integer number (3653838354348).

Almost surely, 243680445046769 is an apocalyptic number.

It is an amenable number.

43680445046769 is a deficient number, since it is larger than the sum of its proper divisors (14780968622799).

43680445046769 is a wasteful number, since it uses less digits than its factorization.

43680445046769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35502944.

The product of its (nonzero) digits is 418037760, while the sum is 66.

The spelling of 43680445046769 in words is "forty-three trillion, six hundred eighty billion, four hundred forty-five million, forty-six thousand, seven hundred sixty-nine".

Divisors: 1 3 337 1011 1217 3651 410129 1230387 35501387 106504161 11963967419 35891902257 43205187979 129615563937 14560148348923 43680445046769