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40421301013 = 172377723589
BaseRepresentation
bin100101101001010011…
…000001101100010101
310212100000210211211201
4211221103001230111
51130240323113023
630322544432501
72630451250432
oct455123015425
9125300724751
1040421301013
11161628527a5
127a01018731
133a724414c2
141d56518b89
1510b89a6bad
hex9694c1b15

40421301013 has 4 divisors (see below), whose sum is σ = 42799024620. Its totient is φ = 38043577408.

The previous prime is 40421300999. The next prime is 40421301059. The reversal of 40421301013 is 31010312404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33415108804 + 7006192209 = 182798^2 + 83703^2 .

It is a cyclic number.

It is not a de Polignac number, because 40421301013 - 25 = 40421300981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40421311013) 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, 1188861778 + ... + 1188861811.

It is an arithmetic number, because the mean of its divisors is an integer number (10699756155).

Almost surely, 240421301013 is an apocalyptic number.

It is an amenable number.

40421301013 is a deficient number, since it is larger than the sum of its proper divisors (2377723607).

40421301013 is a wasteful number, since it uses less digits than its factorization.

40421301013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377723606.

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

Adding to 40421301013 its reverse (31010312404), we get a palindrome (71431613417).

The spelling of 40421301013 in words is "forty billion, four hundred twenty-one million, three hundred one thousand, thirteen".

Divisors: 1 17 2377723589 40421301013