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4031011243 = 7575858749
BaseRepresentation
bin1111000001000100…
…0101100110101011
3101101221001120212201
43300101011212223
531223414324433
61503554321031
7201615013240
oct36021054653
911357046781
104031011243
111789445456
12945b89177
134c318ba6c
142a35075c7
15188d4da7d
hexf04459ab

4031011243 has 4 divisors (see below), whose sum is σ = 4606870000. Its totient is φ = 3455152488.

The previous prime is 4031011241. The next prime is 4031011273. The reversal of 4031011243 is 3421101304.

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 4031011243 - 21 = 4031011241 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 4031011243.

It is not an unprimeable number, because it can be changed into a prime (4031011241) 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, 287929368 + ... + 287929381.

It is an arithmetic number, because the mean of its divisors is an integer number (1151717500).

Almost surely, 24031011243 is an apocalyptic number.

4031011243 is a deficient number, since it is larger than the sum of its proper divisors (575858757).

4031011243 is an equidigital number, since it uses as much as digits as its factorization.

4031011243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575858756.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 4031011243 is about 63490.2452586222. The cubic root of 4031011243 is about 1591.4927693255.

Adding to 4031011243 its reverse (3421101304), we get a palindrome (7452112547).

The spelling of 4031011243 in words is "four billion, thirty-one million, eleven thousand, two hundred forty-three".

Divisors: 1 7 575858749 4031011243