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2897290012643 = 13222868462511
BaseRepresentation
bin101010001010010011111…
…100010010011111100011
3101020222102010022022102022
4222022103330102133203
5334432122220401033
610054555140012055
7416215355524565
oct52122374223743
911228363268368
102897290012643
11a17808753004
123a962069102b
131802a074ab60
14a032dda3335
1550572650098
hex2a293f127e3

2897290012643 has 4 divisors (see below), whose sum is σ = 3120158475168. Its totient is φ = 2674421550120.

The previous prime is 2897290012601. The next prime is 2897290012657. The reversal of 2897290012643 is 3462100927982.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2897290012643 - 228 = 2897021577187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2897290012343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111434231243 + ... + 111434231268.

It is an arithmetic number, because the mean of its divisors is an integer number (780039618792).

Almost surely, 22897290012643 is an apocalyptic number.

2897290012643 is a deficient number, since it is larger than the sum of its proper divisors (222868462525).

2897290012643 is a wasteful number, since it uses less digits than its factorization.

2897290012643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222868462524.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 2897290012643 in words is "two trillion, eight hundred ninety-seven billion, two hundred ninety million, twelve thousand, six hundred forty-three".

Divisors: 1 13 222868462511 2897290012643