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1240430245313 = 74723771586161
BaseRepresentation
bin10010000011001111011…
…001110111010111000001
311101120202201100101002112
4102003033121313113001
5130310400120322223
62345502405025105
7155422006055240
oct22031731672701
94346681311075
101240430245313
11439077598876
121804a16b5195
138cc8383b39c
1444073cd0957
15223ee35c778
hex120cf6775c1

1240430245313 has 16 divisors (see below), whose sum is σ = 1448407002624. Its totient is φ = 1040165660160.

The previous prime is 1240430245291. The next prime is 1240430245319. The reversal of 1240430245313 is 3135420340421.

It is a cyclic number.

It is not a de Polignac number, because 1240430245313 - 214 = 1240430228929 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 1240430245313.

It is not an unprimeable number, because it can be changed into a prime (1240430245319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11048 + ... + 1575113.

It is an arithmetic number, because the mean of its divisors is an integer number (90525437664).

Almost surely, 21240430245313 is an apocalyptic number.

It is an amenable number.

1240430245313 is a deficient number, since it is larger than the sum of its proper divisors (207976757311).

1240430245313 is a wasteful number, since it uses less digits than its factorization.

1240430245313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588592.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 1240430245313 its reverse (3135420340421), we get a palindrome (4375850585734).

The spelling of 1240430245313 in words is "one trillion, two hundred forty billion, four hundred thirty million, two hundred forty-five thousand, three hundred thirteen".

Divisors: 1 7 47 329 2377 16639 111719 782033 1586161 11103127 74549567 521846969 3770304697 26392132879 177204320759 1240430245313