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4042111243 = 191391530523
BaseRepresentation
bin1111000011101101…
…1011100100001011
3101102200221112012211
43300323123210023
531234240024433
61505032245551
7202111243612
oct36073334413
911380845184
104042111243
111794737005
129498408b7
134c5577201
142a4b96879
15189ce28cd
hexf0edb90b

4042111243 has 8 divisors (see below), whose sum is σ = 4285467200. Its totient is φ = 3801816648.

The previous prime is 4042111217. The next prime is 4042111363. The reversal of 4042111243 is 3421112404.

It is a happy number.

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 4042111243 - 25 = 4042111211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4042111043) 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, 762621 + ... + 767902.

It is an arithmetic number, because the mean of its divisors is an integer number (535683400).

Almost surely, 24042111243 is an apocalyptic number.

4042111243 is a deficient number, since it is larger than the sum of its proper divisors (243355957).

4042111243 is a wasteful number, since it uses less digits than its factorization.

4042111243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530681.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 4042111243 is about 63577.6001670400. The cubic root of 4042111243 is about 1592.9522359866.

Adding to 4042111243 its reverse (3421112404), we get a palindrome (7463223647).

The spelling of 4042111243 in words is "four billion, forty-two million, one hundred eleven thousand, two hundred forty-three".

Divisors: 1 19 139 2641 1530523 29079937 212742697 4042111243