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40675243765 = 513769813749
BaseRepresentation
bin100101111000011011…
…101111011011110101
310212222201122110210211
4211320123233123311
51131300330300030
630404055345421
72636653603342
oct457033573365
9125881573724
1040675243765
1116283129742
127a72082271
133ab2c346a0
141d7c13d7c9
1510d0e1912a
hex9786ef6f5

40675243765 has 16 divisors (see below), whose sum is σ = 52633350000. Its totient is φ = 29998006272.

The previous prime is 40675243759. The next prime is 40675243771. The reversal of 40675243765 is 56734257604.

It is an interprime number because it is at equal distance from previous prime (40675243759) and next prime (40675243771).

It can be written as a sum of positive squares in 8 ways, for example, as 6922572804 + 33752670961 = 83202^2 + 183719^2 .

It is not a de Polignac number, because 40675243765 - 223 = 40666855157 is a prime.

It is a congruent 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, 356890 + ... + 456859.

It is an arithmetic number, because the mean of its divisors is an integer number (3289584375).

Almost surely, 240675243765 is an apocalyptic number.

It is an amenable number.

40675243765 is a deficient number, since it is larger than the sum of its proper divisors (11958106235).

40675243765 is a wasteful number, since it uses less digits than its factorization.

40675243765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814536.

The product of its (nonzero) digits is 4233600, while the sum is 49.

The spelling of 40675243765 in words is "forty billion, six hundred seventy-five million, two hundred forty-three thousand, seven hundred sixty-five".

Divisors: 1 5 13 65 769 3845 9997 49985 813749 4068745 10578737 52893685 625772981 3128864905 8135048753 40675243765