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2642693463 = 32659445573
BaseRepresentation
bin1001110110000100…
…0100110101010111
320211011200201220200
42131201010311113
520403012142323
61114122031543
7122326344444
oct23541046527
96734621820
102642693463
111136805793
126190485b3
13331670757
141b0d969cb
15107015443
hex9d844d57

2642693463 has 12 divisors (see below), whose sum is σ = 3823024920. Its totient is φ = 1759118256.

The previous prime is 2642693461. The next prime is 2642693477. The reversal of 2642693463 is 3643962462.

2642693463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2642693463 - 21 = 2642693461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642693461) 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, 216856 + ... + 228717.

It is an arithmetic number, because the mean of its divisors is an integer number (318585410).

Almost surely, 22642693463 is an apocalyptic number.

2642693463 is a deficient number, since it is larger than the sum of its proper divisors (1180331457).

2642693463 is a wasteful number, since it uses less digits than its factorization.

2642693463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446238 (or 446235 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 45.

The square root of 2642693463 is about 51407.1343589584. The cubic root of 2642693463 is about 1382.5545107220.

The spelling of 2642693463 in words is "two billion, six hundred forty-two million, six hundred ninety-three thousand, four hundred sixty-three".

Divisors: 1 3 9 659 1977 5931 445573 1336719 4010157 293632607 880897821 2642693463