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40780411093 = 41994644173
BaseRepresentation
bin100101111110101100…
…111011000011010101
310220021001112112021001
4211332230323003111
51132004241123333
630422333423301
72642401526542
oct457654730325
9126231475231
1040780411093
111632752a494
127aa133ab31
133acb967186
141d8c0b7bc9
1510da28eb7d
hex97eb3b0d5

40780411093 has 4 divisors (see below), whose sum is σ = 41775055308. Its totient is φ = 39785766880.

The previous prime is 40780411051. The next prime is 40780411097. The reversal of 40780411093 is 39011408704.

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 1331301169 + 39449109924 = 36487^2 + 198618^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40780411093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40780411097) 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, 497322046 + ... + 497322127.

It is an arithmetic number, because the mean of its divisors is an integer number (10443763827).

Almost surely, 240780411093 is an apocalyptic number.

It is an amenable number.

40780411093 is a deficient number, since it is larger than the sum of its proper divisors (994644215).

40780411093 is an equidigital number, since it uses as much as digits as its factorization.

40780411093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994644214.

The product of its (nonzero) digits is 24192, while the sum is 37.

Adding to 40780411093 its reverse (39011408704), we get a palindrome (79791819797).

The spelling of 40780411093 in words is "forty billion, seven hundred eighty million, four hundred eleven thousand, ninety-three".

Divisors: 1 41 994644173 40780411093