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2543190797 = 7268375991
BaseRepresentation
bin1001011110010110…
…0000001100001101
320120020110110220202
42113211200030031
520202024101142
61100205223245
7120010523300
oct22745401415
96506413822
102543190797
111095623984
125ab861b25
13316b72434
141a1a94b37
15ed40d032
hex9796030d

2543190797 has 12 divisors (see below), whose sum is σ = 2962776096. Its totient is φ = 2176657560.

The previous prime is 2543190787. The next prime is 2543190817. The reversal of 2543190797 is 7970913452.

It is not a de Polignac number, because 2543190797 - 26 = 2543190733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543190787) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4529 + ... + 71462.

It is an arithmetic number, because the mean of its divisors is an integer number (246898008).

Almost surely, 22543190797 is an apocalyptic number.

It is an amenable number.

2543190797 is a deficient number, since it is larger than the sum of its proper divisors (419585299).

2543190797 is an equidigital number, since it uses as much as digits as its factorization.

2543190797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76688 (or 76681 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 2543190797 is about 50430.0584671483. The cubic root of 2543190797 is about 1364.9800829879.

The spelling of 2543190797 in words is "two billion, five hundred forty-three million, one hundred ninety thousand, seven hundred ninety-seven".

Divisors: 1 7 49 683 4781 33467 75991 531937 3723559 51901853 363312971 2543190797