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40784842345 = 5132327280831
BaseRepresentation
bin100101111110111101…
…110100111001101001
310220021100212122210111
4211332331310321221
51132011404423340
630423012414321
72642454303622
oct457675647151
9126240778714
1040784842345
1116329a86785
127aa29173a1
133acc859110
141d8c90ca49
1510da867aea
hex97ef74e69

40784842345 has 16 divisors (see below), whose sum is σ = 54998157312. Its totient is φ = 28808556480.

The previous prime is 40784842313. The next prime is 40784842381. The reversal of 40784842345 is 54324848704.

It is not a de Polignac number, because 40784842345 - 25 = 40784842313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13638921 + ... + 13641910.

It is an arithmetic number, because the mean of its divisors is an integer number (3437384832).

Almost surely, 240784842345 is an apocalyptic number.

It is an amenable number.

40784842345 is a deficient number, since it is larger than the sum of its proper divisors (14213314967).

40784842345 is a wasteful number, since it uses less digits than its factorization.

40784842345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27280872.

The product of its (nonzero) digits is 3440640, while the sum is 49.

The spelling of 40784842345 in words is "forty billion, seven hundred eighty-four million, eight hundred forty-two thousand, three hundred forty-five".

Divisors: 1 5 13 23 65 115 299 1495 27280831 136404155 354650803 627459113 1773254015 3137295565 8156968469 40784842345