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2743897708955 = 51361719746897
BaseRepresentation
bin100111111011011101000…
…011000101100110011011
3100201022110221121220201102
4213323131003011212123
5324424000303141310
65500310150342015
7402145225462244
oct47733503054633
910638427556642
102743897708955
119687537a5997
1238395195a90b
1316b99643ba10
1496b3bc89ccb
154b595d388a5
hex27edd0c599b

2743897708955 has 32 divisors (see below), whose sum is σ = 3654852824448. Its totient is φ = 1964974233600.

The previous prime is 2743897708931. The next prime is 2743897708957. The reversal of 2743897708955 is 5598077983472.

It is not a de Polignac number, because 2743897708955 - 210 = 2743897707931 is a prime.

It is a Smith number, since the sum of its digits (74) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2743897708957) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4591934 + ... + 5154963.

It is an arithmetic number, because the mean of its divisors is an integer number (114214150764).

Almost surely, 22743897708955 is an apocalyptic number.

2743897708955 is a deficient number, since it is larger than the sum of its proper divisors (910955115493).

2743897708955 is a wasteful number, since it uses less digits than its factorization.

2743897708955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9747047.

The product of its (nonzero) digits is 1066867200, while the sum is 74.

The spelling of 2743897708955 in words is "two trillion, seven hundred forty-three billion, eight hundred ninety-seven million, seven hundred eight thousand, nine hundred fifty-five".

Divisors: 1 5 13 61 65 71 305 355 793 923 3965 4331 4615 21655 56303 281515 9746897 48734485 126709661 594560717 633548305 692029687 2972803585 3460148435 7729289321 8996385931 38646446605 42213810907 44981929655 211069054535 548779541791 2743897708955