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45044242520 = 2353730435299
BaseRepresentation
bin101001111100110110…
…001001100001011000
311022021012200121101112
4221330312021201120
51214222311230040
632405410235452
73153144513134
oct517466114130
9138235617345
1045044242520
1118115334112
128891285b88
13432b131a54
1422744a83c4
15128977c365
hexa7cd89858

45044242520 has 32 divisors (see below), whose sum is σ = 104088726000. Its totient is φ = 17530731648.

The previous prime is 45044242513. The next prime is 45044242531. The reversal of 45044242520 is 2524244054.

It is a congruent number.

It is an unprimeable number.

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, 15216170 + ... + 15219129.

Almost surely, 245044242520 is an apocalyptic number.

45044242520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45044242520 is an abundant number, since it is smaller than the sum of its proper divisors (59044483480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45044242520 is a wasteful number, since it uses less digits than its factorization.

45044242520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30435347 (or 30435343 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 32.

Adding to 45044242520 its reverse (2524244054), we get a palindrome (47568486574).

The spelling of 45044242520 in words is "forty-five billion, forty-four million, two hundred forty-two thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 37 40 74 148 185 296 370 740 1480 30435299 60870598 121741196 152176495 243482392 304352990 608705980 1126106063 1217411960 2252212126 4504424252 5630530315 9008848504 11261060630 22522121260 45044242520