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1240435230241 = 29371156044017
BaseRepresentation
bin10010000011001111101…
…100111000011000100001
311101120210001201122010111
4102003033230320120201
5130310402404331431
62345503103531321
7155422066326454
oct22031754703041
94346701648114
101240435230241
1143907a393049
121804a32b9b41
138cc8489534c
144407482b49b
15223ee9e47b1
hex120cfb38621

1240435230241 has 8 divisors (see below), whose sum is σ = 1317890180520. Its totient is φ = 1165292368128.

The previous prime is 1240435230217. The next prime is 1240435230247. The reversal of 1240435230241 is 1420325340421.

It can be written as a sum of positive squares in 4 ways, for example, as 157006137600 + 1083429092641 = 396240^2 + 1040879^2 .

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 1240435230241 - 29 = 1240435229729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1240435230247) 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, 578020936 + ... + 578023081.

It is an arithmetic number, because the mean of its divisors is an integer number (164736272565).

Almost surely, 21240435230241 is an apocalyptic number.

It is an amenable number.

1240435230241 is a deficient number, since it is larger than the sum of its proper divisors (77454950279).

1240435230241 is a wasteful number, since it uses less digits than its factorization.

1240435230241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156044083.

The product of its (nonzero) digits is 23040, while the sum is 31.

The spelling of 1240435230241 in words is "one trillion, two hundred forty billion, four hundred thirty-five million, two hundred thirty thousand, two hundred forty-one".

Divisors: 1 29 37 1073 1156044017 33525276493 42773628629 1240435230241