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74814909065 = 5131150998601
BaseRepresentation
bin100010110101101010…
…0001110101010001001
321011002222110011101222
41011223110032222021
52211210104042230
654211451051425
75255661143261
oct1055324165211
9234088404358
1074814909065
112980207a566
12125bb440b75
137093b3c080
14389a2967a1
151e2d1a56e5
hex116b50ea89

74814909065 has 8 divisors (see below), whose sum is σ = 96683882568. Its totient is φ = 55247932800.

The previous prime is 74814909061. The next prime is 74814909073. The reversal of 74814909065 is 56090941847.

It can be written as a sum of positive squares in 4 ways, for example, as 1640331001 + 73174578064 = 40501^2 + 270508^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74814909065 - 22 = 74814909061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74814908998 and 74814909016.

It is not an unprimeable number, because it can be changed into a prime (74814909061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575499236 + ... + 575499365.

It is an arithmetic number, because the mean of its divisors is an integer number (12085485321).

Almost surely, 274814909065 is an apocalyptic number.

It is an amenable number.

74814909065 is a deficient number, since it is larger than the sum of its proper divisors (21868973503).

74814909065 is a wasteful number, since it uses less digits than its factorization.

74814909065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150998619.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 74814909065 in words is "seventy-four billion, eight hundred fourteen million, nine hundred nine thousand, sixty-five".

Divisors: 1 5 13 65 1150998601 5754993005 14962981813 74814909065