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40740647513 = 217918696947
BaseRepresentation
bin100101111100010101…
…001111001001011001
310220011021201022212212
4211330111033021121
51131414101210023
630414353244505
72641406534666
oct457425171131
9126137638785
1040740647513
1116307040525
127a8bb63735
133ac3654127
141d86ac6a6d
1510d6a37e78
hex97c54f259

40740647513 has 4 divisors (see below), whose sum is σ = 40759346640. Its totient is φ = 40721948388.

The previous prime is 40740647483. The next prime is 40740647551. The reversal of 40740647513 is 31574604704.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40740647513 - 216 = 40740581977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40740647413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9346295 + ... + 9350652.

It is an arithmetic number, because the mean of its divisors is an integer number (10189836660).

Almost surely, 240740647513 is an apocalyptic number.

It is an amenable number.

40740647513 is a deficient number, since it is larger than the sum of its proper divisors (18699127).

40740647513 is a wasteful number, since it uses less digits than its factorization.

40740647513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18699126.

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 40740647513 in words is "forty billion, seven hundred forty million, six hundred forty-seven thousand, five hundred thirteen".

Divisors: 1 2179 18696947 40740647513