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74980041449 = 1923330895483
BaseRepresentation
bin100010111010100101…
…0001010001011101001
321011112111011202110012
41011311022022023221
52212024342311244
654240110301305
75263034556635
oct1056512121351
9234474152405
1074980041449
1129887307a05
12126467b7835
1370bc108941
1438b419ddc5
151e3c92389e
hex117528a2e9

74980041449 has 16 divisors (see below), whose sum is σ = 79305220800. Its totient is φ = 70693065216.

The previous prime is 74980041443. The next prime is 74980041463. The reversal of 74980041449 is 94414008947.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-74980041449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74980041397 and 74980041406.

It is not an unprimeable number, because it can be changed into a prime (74980041443) 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 15 ways as a sum of consecutive naturals, for example, 13672262 + ... + 13677744.

It is an arithmetic number, because the mean of its divisors is an integer number (4956576300).

Almost surely, 274980041449 is an apocalyptic number.

It is an amenable number.

74980041449 is a deficient number, since it is larger than the sum of its proper divisors (4325179351).

74980041449 is a wasteful number, since it uses less digits than its factorization.

74980041449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8824.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 74980041449 in words is "seventy-four billion, nine hundred eighty million, forty-one thousand, four hundred forty-nine".

Divisors: 1 19 233 3089 4427 5483 58691 104177 719737 1277539 13675003 16936987 24273241 321802753 3946317971 74980041449