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4021112213 = 4785555579
BaseRepresentation
bin1110111110101101…
…0100110110010101
3101101020102122221222
43233223110312111
531213401042323
61503002220125
7201434614136
oct35753246625
911336378858
104021112213
1117838a4138
129427b4645
134c1104151
142a208bc8d
151880459c8
hexefad4d95

4021112213 has 4 divisors (see below), whose sum is σ = 4106667840. Its totient is φ = 3935556588.

The previous prime is 4021112209. The next prime is 4021112219. The reversal of 4021112213 is 3122111204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4021112213 - 22 = 4021112209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4021112191 and 4021112200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021112219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42777743 + ... + 42777836.

It is an arithmetic number, because the mean of its divisors is an integer number (1026666960).

Almost surely, 24021112213 is an apocalyptic number.

It is an amenable number.

4021112213 is a deficient number, since it is larger than the sum of its proper divisors (85555627).

4021112213 is an equidigital number, since it uses as much as digits as its factorization.

4021112213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85555626.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 4021112213 is about 63412.2402458705. The cubic root of 4021112213 is about 1590.1889485776.

Adding to 4021112213 its reverse (3122111204), we get a palindrome (7143223417).

The spelling of 4021112213 in words is "four billion, twenty-one million, one hundred twelve thousand, two hundred thirteen".

Divisors: 1 47 85555579 4021112213