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2124729863 = 29315234519
BaseRepresentation
bin111111010100100…
…1100111000000111
312111002001110102122
41332221030320013
513322412323423
6550500200155
7103436622464
oct17651147007
95432043378
102124729863
119a0399aa3
124b369905b
1327b269109
1416228666b
15c67ee8c8
hex7ea4ce07

2124729863 has 16 divisors (see below), whose sum is σ = 2273740800. Its totient is φ = 1981052640.

The previous prime is 2124729833. The next prime is 2124729869. The reversal of 2124729863 is 3689274212.

It is a de Polignac number, because none of the positive numbers 2k-2124729863 is a prime.

It is a Smith number, since the sum of its digits (44) 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124729869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467918 + ... + 472436.

It is an arithmetic number, because the mean of its divisors is an integer number (142108800).

Almost surely, 22124729863 is an apocalyptic number.

2124729863 is a deficient number, since it is larger than the sum of its proper divisors (149010937).

2124729863 is a wasteful number, since it uses less digits than its factorization.

2124729863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5102.

The product of its digits is 290304, while the sum is 44.

The square root of 2124729863 is about 46094.7921461850. The cubic root of 2124729863 is about 1285.5863147228.

The spelling of 2124729863 in words is "two billion, one hundred twenty-four million, seven hundred twenty-nine thousand, eight hundred sixty-three".

Divisors: 1 29 31 523 899 4519 15167 16213 131051 140089 470177 2363437 4062581 68539673 73266547 2124729863