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4042912219 = 28099143881
BaseRepresentation
bin1111000011111001…
…1111000111011011
3101102202110012221121
43300332133013123
531234441142334
61505101350111
7202121121043
oct36076370733
911382405847
104042912219
111795133875
12949b68337
134c5797968
142a4d24723
15189deedb4
hexf0f9f1db

4042912219 has 4 divisors (see below), whose sum is σ = 4043084200. Its totient is φ = 4042740240.

The previous prime is 4042912201. The next prime is 4042912229. The reversal of 4042912219 is 9122192404.

It is a happy number.

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 4042912219 - 27 = 4042912091 is a prime.

It is a super-2 number, since 2×40429122192 = 32690278421079007922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4042912229) 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, 43842 + ... + 100039.

It is an arithmetic number, because the mean of its divisors is an integer number (1010771050).

Almost surely, 24042912219 is an apocalyptic number.

4042912219 is a deficient number, since it is larger than the sum of its proper divisors (171981).

4042912219 is a wasteful number, since it uses less digits than its factorization.

4042912219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171980.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 4042912219 is about 63583.8990547135. The cubic root of 4042912219 is about 1593.0574476911.

The spelling of 4042912219 in words is "four billion, forty-two million, nine hundred twelve thousand, two hundred nineteen".

Divisors: 1 28099 143881 4042912219