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42340320241 = 172490607073
BaseRepresentation
bin100111011011101011…
…100000001111110001
311001021202210010022221
4213123223200033301
51143203110221431
631241220001041
73026142532612
oct473353401761
9131252703287
1042340320241
1116a580092aa
128257830181
133cb9ba3c3b
142099333c09
15117c1c0111
hex9dbae03f1

42340320241 has 4 divisors (see below), whose sum is σ = 44830927332. Its totient is φ = 39849713152.

The previous prime is 42340320229. The next prime is 42340320257. The reversal of 42340320241 is 14202304324.

It is a happy number.

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 18747360241 + 23592960000 = 136921^2 + 153600^2 .

It is a cyclic number.

It is not a de Polignac number, because 42340320241 - 29 = 42340319729 is a prime.

It is a super-2 number, since 2×423403202412 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42340320541) 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, 1245303520 + ... + 1245303553.

It is an arithmetic number, because the mean of its divisors is an integer number (11207731833).

Almost surely, 242340320241 is an apocalyptic number.

It is an amenable number.

42340320241 is a deficient number, since it is larger than the sum of its proper divisors (2490607091).

42340320241 is a wasteful number, since it uses less digits than its factorization.

42340320241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490607090.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 42340320241 its reverse (14202304324), we get a palindrome (56542624565).

The spelling of 42340320241 in words is "forty-two billion, three hundred forty million, three hundred twenty thousand, two hundred forty-one".

Divisors: 1 17 2490607073 42340320241