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4021210013 = 41190151593
BaseRepresentation
bin1110111110101110…
…1100101110011101
3101101020121122010012
43233223230232131
531213412210023
61503004253005
7201435502232
oct35753545635
911336548105
104021210013
111783960667
12942841165
134c1139812
142a20b5789
15188064978
hexefaecb9d

4021210013 has 8 divisors (see below), whose sum is σ = 4121535096. Its totient is φ = 3920992000.

The previous prime is 4021210009. The next prime is 4021210021. The reversal of 4021210013 is 3100121204.

It can be written as a sum of positive squares in 4 ways, for example, as 194797849 + 3826412164 = 13957^2 + 61858^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4021210013 - 22 = 4021210009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4021210013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021210003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52145 + ... + 103737.

It is an arithmetic number, because the mean of its divisors is an integer number (515191887).

Almost surely, 24021210013 is an apocalyptic number.

It is an amenable number.

4021210013 is a deficient number, since it is larger than the sum of its proper divisors (100325083).

4021210013 is a wasteful number, since it uses less digits than its factorization.

4021210013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53535.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 4021210013 is about 63413.0113856770. The cubic root of 4021210013 is about 1590.2018404683.

Adding to 4021210013 its reverse (3100121204), we get a palindrome (7121331217).

The spelling of 4021210013 in words is "four billion, twenty-one million, two hundred ten thousand, thirteen".

Divisors: 1 41 1901 51593 77941 2115313 98078293 4021210013