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4215130643 = 16993248051
BaseRepresentation
bin1111101100111101…
…1100101000010011
3101212202111211012202
43323033130220103
532113033140033
61534132513415
7206312006423
oct37317345023
911782454182
104215130643
111873371049
1299777b86b
13522375959
142bdb54483
1519a0bc8e8
hexfb3dca13

4215130643 has 4 divisors (see below), whose sum is σ = 4215395688. Its totient is φ = 4214865600.

The previous prime is 4215130631. The next prime is 4215130679. The reversal of 4215130643 is 3460315124.

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 4215130643 - 230 = 3141388819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4215130693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107033 + ... + 141018.

It is an arithmetic number, because the mean of its divisors is an integer number (1053848922).

Almost surely, 24215130643 is an apocalyptic number.

4215130643 is a deficient number, since it is larger than the sum of its proper divisors (265045).

4215130643 is a wasteful number, since it uses less digits than its factorization.

4215130643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265044.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 4215130643 is about 64924.0374822762. The cubic root of 4215130643 is about 1615.3638012709.

Adding to 4215130643 its reverse (3460315124), we get a palindrome (7675445767).

The spelling of 4215130643 in words is "four billion, two hundred fifteen million, one hundred thirty thousand, six hundred forty-three".

Divisors: 1 16993 248051 4215130643