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4042505217 = 31858772497
BaseRepresentation
bin1111000011110011…
…1011110000000001
3101102201200112122110
43300330323300001
531234340131332
61505044525533
7202114504332
oct36074736001
911381615573
104042505217
111794986003
129499b08a9
134c568462a
142a4c5a289
15189d6e4cc
hexf0f3bc01

4042505217 has 8 divisors (see below), whose sum is σ = 5390371296. Its totient is φ = 2694821312.

The previous prime is 4042505171. The next prime is 4042505221. The reversal of 4042505217 is 7125052404.

4042505217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 4042505217 - 212 = 4042501121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4042105217) 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, 19513 + ... + 92009.

It is an arithmetic number, because the mean of its divisors is an integer number (673796412).

Almost surely, 24042505217 is an apocalyptic number.

It is an amenable number.

4042505217 is a deficient number, since it is larger than the sum of its proper divisors (1347866079).

4042505217 is a wasteful number, since it uses less digits than its factorization.

4042505217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91087.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 4042505217 is about 63580.6984626624. The cubic root of 4042505217 is about 1593.0039879332.

The spelling of 4042505217 in words is "four billion, forty-two million, five hundred five thousand, two hundred seventeen".

Divisors: 1 3 18587 55761 72497 217491 1347501739 4042505217