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2945347855 = 52074728393
BaseRepresentation
bin1010111110001110…
…0111000100001111
321121021012011200121
42233203213010033
522013002112410
61204133005411
7132663020662
oct25743470417
97537164617
102945347855
11128163248a
126a2483867
1337c28a7a8
141dd25b6d9
1512389a9da
hexaf8e710f

2945347855 has 8 divisors (see below), whose sum is σ = 3534712272. Its totient is φ = 2356081728.

The previous prime is 2945347843. The next prime is 2945347861. The reversal of 2945347855 is 5587435492.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2945347855 - 211 = 2945345807 is a prime.

It is a super-3 number, since 3×29453478553 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89539 + ... + 117931.

It is an arithmetic number, because the mean of its divisors is an integer number (441839034).

Almost surely, 22945347855 is an apocalyptic number.

2945347855 is a deficient number, since it is larger than the sum of its proper divisors (589364417).

2945347855 is a wasteful number, since it uses less digits than its factorization.

2945347855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49145.

The product of its digits is 6048000, while the sum is 52.

The square root of 2945347855 is about 54271.0590923008. The cubic root of 2945347855 is about 1433.4378391742.

The spelling of 2945347855 in words is "two billion, nine hundred forty-five million, three hundred forty-seven thousand, eight hundred fifty-five".

Divisors: 1 5 20747 28393 103735 141965 589069571 2945347855