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2144631063 = 3432386629
BaseRepresentation
bin111111111010100…
…0111100100010111
312112110111112202010
41333311013210113
513343011143223
6552450515303
7104101030461
oct17765074427
95473445663
102144631063
11a00652073
124ba295b33
13282416583
14164b87131
15c8431393
hex7fd47917

2144631063 has 12 divisors (see below), whose sum is σ = 2927562360. Its totient is φ = 1396500336.

The previous prime is 2144631001. The next prime is 2144631089. The reversal of 2144631063 is 3601364412.

It is not a de Polignac number, because 2144631063 - 213 = 2144622871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2144631063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144631563) 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, 187768 + ... + 198861.

It is an arithmetic number, because the mean of its divisors is an integer number (243963530).

Almost surely, 22144631063 is an apocalyptic number.

2144631063 is a deficient number, since it is larger than the sum of its proper divisors (782931297).

2144631063 is an equidigital number, since it uses as much as digits as its factorization.

2144631063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386718 (or 386675 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 2144631063 is about 46310.1615522986. The cubic root of 2144631063 is about 1289.5876459811.

Adding to 2144631063 its reverse (3601364412), we get a palindrome (5745995475).

The spelling of 2144631063 in words is "two billion, one hundred forty-four million, six hundred thirty-one thousand, sixty-three".

Divisors: 1 3 43 129 1849 5547 386629 1159887 16625047 49875141 714877021 2144631063